2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
247 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
248 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
249 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
250 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
251 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
252 int opponentKibitzes;
253 int lastSavedGame; /* [HGM] save: ID of game */
254 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
255 extern int chatCount;
257 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
259 /* States for ics_getting_history */
261 #define H_REQUESTED 1
262 #define H_GOT_REQ_HEADER 2
263 #define H_GOT_UNREQ_HEADER 3
264 #define H_GETTING_MOVES 4
265 #define H_GOT_UNWANTED_HEADER 5
267 /* whosays values for GameEnds */
276 /* Maximum number of games in a cmail message */
277 #define CMAIL_MAX_GAMES 20
279 /* Different types of move when calling RegisterMove */
281 #define CMAIL_RESIGN 1
283 #define CMAIL_ACCEPT 3
285 /* Different types of result to remember for each game */
286 #define CMAIL_NOT_RESULT 0
287 #define CMAIL_OLD_RESULT 1
288 #define CMAIL_NEW_RESULT 2
290 /* Telnet protocol constants */
301 static char * safeStrCpy( char * dst, const char * src, size_t count )
303 assert( dst != NULL );
304 assert( src != NULL );
307 strncpy( dst, src, count );
308 dst[ count-1 ] = '\0';
312 /* Some compiler can't cast u64 to double
313 * This function do the job for us:
315 * We use the highest bit for cast, this only
316 * works if the highest bit is not
317 * in use (This should not happen)
319 * We used this for all compiler
322 u64ToDouble(u64 value)
325 u64 tmp = value & u64Const(0x7fffffffffffffff);
326 r = (double)(s64)tmp;
327 if (value & u64Const(0x8000000000000000))
328 r += 9.2233720368547758080e18; /* 2^63 */
332 /* Fake up flags for now, as we aren't keeping track of castling
333 availability yet. [HGM] Change of logic: the flag now only
334 indicates the type of castlings allowed by the rule of the game.
335 The actual rights themselves are maintained in the array
336 castlingRights, as part of the game history, and are not probed
342 int flags = F_ALL_CASTLE_OK;
343 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
344 switch (gameInfo.variant) {
346 flags &= ~F_ALL_CASTLE_OK;
347 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
348 flags |= F_IGNORE_CHECK;
350 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
353 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
355 case VariantKriegspiel:
356 flags |= F_KRIEGSPIEL_CAPTURE;
358 case VariantCapaRandom:
359 case VariantFischeRandom:
360 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
361 case VariantNoCastle:
362 case VariantShatranj:
365 flags &= ~F_ALL_CASTLE_OK;
373 FILE *gameFileFP, *debugFP;
376 [AS] Note: sometimes, the sscanf() function is used to parse the input
377 into a fixed-size buffer. Because of this, we must be prepared to
378 receive strings as long as the size of the input buffer, which is currently
379 set to 4K for Windows and 8K for the rest.
380 So, we must either allocate sufficiently large buffers here, or
381 reduce the size of the input buffer in the input reading part.
384 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
385 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
386 char thinkOutput1[MSG_SIZ*10];
388 ChessProgramState first, second;
390 /* premove variables */
393 int premoveFromX = 0;
394 int premoveFromY = 0;
395 int premovePromoChar = 0;
397 Boolean alarmSounded;
398 /* end premove variables */
400 char *ics_prefix = "$";
401 int ics_type = ICS_GENERIC;
403 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
404 int pauseExamForwardMostMove = 0;
405 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
406 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
407 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
408 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
409 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
410 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
411 int whiteFlag = FALSE, blackFlag = FALSE;
412 int userOfferedDraw = FALSE;
413 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
414 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
415 int cmailMoveType[CMAIL_MAX_GAMES];
416 long ics_clock_paused = 0;
417 ProcRef icsPR = NoProc, cmailPR = NoProc;
418 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
419 GameMode gameMode = BeginningOfGame;
420 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
421 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
422 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
423 int hiddenThinkOutputState = 0; /* [AS] */
424 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
425 int adjudicateLossPlies = 6;
426 char white_holding[64], black_holding[64];
427 TimeMark lastNodeCountTime;
428 long lastNodeCount=0;
429 int have_sent_ICS_logon = 0;
431 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
432 long timeControl_2; /* [AS] Allow separate time controls */
433 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
434 long timeRemaining[2][MAX_MOVES];
436 TimeMark programStartTime;
437 char ics_handle[MSG_SIZ];
438 int have_set_title = 0;
440 /* animateTraining preserves the state of appData.animate
441 * when Training mode is activated. This allows the
442 * response to be animated when appData.animate == TRUE and
443 * appData.animateDragging == TRUE.
445 Boolean animateTraining;
451 Board boards[MAX_MOVES];
452 /* [HGM] Following 7 needed for accurate legality tests: */
453 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
454 signed char initialRights[BOARD_FILES];
455 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
456 int initialRulePlies, FENrulePlies;
457 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
460 int mute; // mute all sounds
462 // [HGM] vari: next 12 to save and restore variations
463 #define MAX_VARIATIONS 10
464 int framePtr = MAX_MOVES-1; // points to free stack entry
466 int savedFirst[MAX_VARIATIONS];
467 int savedLast[MAX_VARIATIONS];
468 int savedFramePtr[MAX_VARIATIONS];
469 char *savedDetails[MAX_VARIATIONS];
470 ChessMove savedResult[MAX_VARIATIONS];
472 void PushTail P((int firstMove, int lastMove));
473 Boolean PopTail P((Boolean annotate));
474 void CleanupTail P((void));
476 ChessSquare FIDEArray[2][BOARD_FILES] = {
477 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
478 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
479 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
480 BlackKing, BlackBishop, BlackKnight, BlackRook }
483 ChessSquare twoKingsArray[2][BOARD_FILES] = {
484 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
485 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
486 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
487 BlackKing, BlackKing, BlackKnight, BlackRook }
490 ChessSquare KnightmateArray[2][BOARD_FILES] = {
491 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
492 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
493 { BlackRook, BlackMan, BlackBishop, BlackQueen,
494 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
497 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
498 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
499 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
500 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
501 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
504 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
505 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
506 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
507 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
508 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
511 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
512 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
513 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackMan, BlackFerz,
515 BlackKing, BlackMan, BlackKnight, BlackRook }
519 #if (BOARD_FILES>=10)
520 ChessSquare ShogiArray[2][BOARD_FILES] = {
521 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
522 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
523 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
524 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
527 ChessSquare XiangqiArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
529 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
530 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
531 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
534 ChessSquare CapablancaArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
541 ChessSquare GreatArray[2][BOARD_FILES] = {
542 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
543 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
544 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
545 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
548 ChessSquare JanusArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
550 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
551 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
552 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
556 ChessSquare GothicArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
558 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
560 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
563 #define GothicArray CapablancaArray
567 ChessSquare FalconArray[2][BOARD_FILES] = {
568 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
569 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
570 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
571 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
574 #define FalconArray CapablancaArray
577 #else // !(BOARD_FILES>=10)
578 #define XiangqiPosition FIDEArray
579 #define CapablancaArray FIDEArray
580 #define GothicArray FIDEArray
581 #define GreatArray FIDEArray
582 #endif // !(BOARD_FILES>=10)
584 #if (BOARD_FILES>=12)
585 ChessSquare CourierArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
589 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
591 #else // !(BOARD_FILES>=12)
592 #define CourierArray CapablancaArray
593 #endif // !(BOARD_FILES>=12)
596 Board initialPosition;
599 /* Convert str to a rating. Checks for special cases of "----",
601 "++++", etc. Also strips ()'s */
603 string_to_rating(str)
606 while(*str && !isdigit(*str)) ++str;
608 return 0; /* One of the special "no rating" cases */
616 /* Init programStats */
617 programStats.movelist[0] = 0;
618 programStats.depth = 0;
619 programStats.nr_moves = 0;
620 programStats.moves_left = 0;
621 programStats.nodes = 0;
622 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
623 programStats.score = 0;
624 programStats.got_only_move = 0;
625 programStats.got_fail = 0;
626 programStats.line_is_book = 0;
632 int matched, min, sec;
634 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
636 GetTimeMark(&programStartTime);
637 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
640 programStats.ok_to_send = 1;
641 programStats.seen_stat = 0;
644 * Initialize game list
650 * Internet chess server status
652 if (appData.icsActive) {
653 appData.matchMode = FALSE;
654 appData.matchGames = 0;
656 appData.noChessProgram = !appData.zippyPlay;
658 appData.zippyPlay = FALSE;
659 appData.zippyTalk = FALSE;
660 appData.noChessProgram = TRUE;
662 if (*appData.icsHelper != NULLCHAR) {
663 appData.useTelnet = TRUE;
664 appData.telnetProgram = appData.icsHelper;
667 appData.zippyTalk = appData.zippyPlay = FALSE;
670 /* [AS] Initialize pv info list [HGM] and game state */
674 for( i=0; i<=framePtr; i++ ) {
675 pvInfoList[i].depth = -1;
676 boards[i][EP_STATUS] = EP_NONE;
677 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
682 * Parse timeControl resource
684 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
685 appData.movesPerSession)) {
687 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
688 DisplayFatalError(buf, 0, 2);
692 * Parse searchTime resource
694 if (*appData.searchTime != NULLCHAR) {
695 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
697 searchTime = min * 60;
698 } else if (matched == 2) {
699 searchTime = min * 60 + sec;
702 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
703 DisplayFatalError(buf, 0, 2);
707 /* [AS] Adjudication threshold */
708 adjudicateLossThreshold = appData.adjudicateLossThreshold;
710 first.which = "first";
711 second.which = "second";
712 first.maybeThinking = second.maybeThinking = FALSE;
713 first.pr = second.pr = NoProc;
714 first.isr = second.isr = NULL;
715 first.sendTime = second.sendTime = 2;
716 first.sendDrawOffers = 1;
717 if (appData.firstPlaysBlack) {
718 first.twoMachinesColor = "black\n";
719 second.twoMachinesColor = "white\n";
721 first.twoMachinesColor = "white\n";
722 second.twoMachinesColor = "black\n";
724 first.program = appData.firstChessProgram;
725 second.program = appData.secondChessProgram;
726 first.host = appData.firstHost;
727 second.host = appData.secondHost;
728 first.dir = appData.firstDirectory;
729 second.dir = appData.secondDirectory;
730 first.other = &second;
731 second.other = &first;
732 first.initString = appData.initString;
733 second.initString = appData.secondInitString;
734 first.computerString = appData.firstComputerString;
735 second.computerString = appData.secondComputerString;
736 first.useSigint = second.useSigint = TRUE;
737 first.useSigterm = second.useSigterm = TRUE;
738 first.reuse = appData.reuseFirst;
739 second.reuse = appData.reuseSecond;
740 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
741 second.nps = appData.secondNPS;
742 first.useSetboard = second.useSetboard = FALSE;
743 first.useSAN = second.useSAN = FALSE;
744 first.usePing = second.usePing = FALSE;
745 first.lastPing = second.lastPing = 0;
746 first.lastPong = second.lastPong = 0;
747 first.usePlayother = second.usePlayother = FALSE;
748 first.useColors = second.useColors = TRUE;
749 first.useUsermove = second.useUsermove = FALSE;
750 first.sendICS = second.sendICS = FALSE;
751 first.sendName = second.sendName = appData.icsActive;
752 first.sdKludge = second.sdKludge = FALSE;
753 first.stKludge = second.stKludge = FALSE;
754 TidyProgramName(first.program, first.host, first.tidy);
755 TidyProgramName(second.program, second.host, second.tidy);
756 first.matchWins = second.matchWins = 0;
757 strcpy(first.variants, appData.variant);
758 strcpy(second.variants, appData.variant);
759 first.analysisSupport = second.analysisSupport = 2; /* detect */
760 first.analyzing = second.analyzing = FALSE;
761 first.initDone = second.initDone = FALSE;
763 /* New features added by Tord: */
764 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
765 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
766 /* End of new features added by Tord. */
767 first.fenOverride = appData.fenOverride1;
768 second.fenOverride = appData.fenOverride2;
770 /* [HGM] time odds: set factor for each machine */
771 first.timeOdds = appData.firstTimeOdds;
772 second.timeOdds = appData.secondTimeOdds;
774 if(appData.timeOddsMode) {
775 norm = first.timeOdds;
776 if(norm > second.timeOdds) norm = second.timeOdds;
778 first.timeOdds /= norm;
779 second.timeOdds /= norm;
782 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
783 first.accumulateTC = appData.firstAccumulateTC;
784 second.accumulateTC = appData.secondAccumulateTC;
785 first.maxNrOfSessions = second.maxNrOfSessions = 1;
788 first.debug = second.debug = FALSE;
789 first.supportsNPS = second.supportsNPS = UNKNOWN;
792 first.optionSettings = appData.firstOptions;
793 second.optionSettings = appData.secondOptions;
795 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
796 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
797 first.isUCI = appData.firstIsUCI; /* [AS] */
798 second.isUCI = appData.secondIsUCI; /* [AS] */
799 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
800 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
802 if (appData.firstProtocolVersion > PROTOVER ||
803 appData.firstProtocolVersion < 1) {
805 sprintf(buf, _("protocol version %d not supported"),
806 appData.firstProtocolVersion);
807 DisplayFatalError(buf, 0, 2);
809 first.protocolVersion = appData.firstProtocolVersion;
812 if (appData.secondProtocolVersion > PROTOVER ||
813 appData.secondProtocolVersion < 1) {
815 sprintf(buf, _("protocol version %d not supported"),
816 appData.secondProtocolVersion);
817 DisplayFatalError(buf, 0, 2);
819 second.protocolVersion = appData.secondProtocolVersion;
822 if (appData.icsActive) {
823 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
824 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
825 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
826 appData.clockMode = FALSE;
827 first.sendTime = second.sendTime = 0;
831 /* Override some settings from environment variables, for backward
832 compatibility. Unfortunately it's not feasible to have the env
833 vars just set defaults, at least in xboard. Ugh.
835 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
840 if (appData.noChessProgram) {
841 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
842 sprintf(programVersion, "%s", PACKAGE_STRING);
844 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
845 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
846 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
849 if (!appData.icsActive) {
851 /* Check for variants that are supported only in ICS mode,
852 or not at all. Some that are accepted here nevertheless
853 have bugs; see comments below.
855 VariantClass variant = StringToVariant(appData.variant);
857 case VariantBughouse: /* need four players and two boards */
858 case VariantKriegspiel: /* need to hide pieces and move details */
859 /* case VariantFischeRandom: (Fabien: moved below) */
860 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
861 DisplayFatalError(buf, 0, 2);
865 case VariantLoadable:
875 sprintf(buf, _("Unknown variant name %s"), appData.variant);
876 DisplayFatalError(buf, 0, 2);
879 case VariantXiangqi: /* [HGM] repetition rules not implemented */
880 case VariantFairy: /* [HGM] TestLegality definitely off! */
881 case VariantGothic: /* [HGM] should work */
882 case VariantCapablanca: /* [HGM] should work */
883 case VariantCourier: /* [HGM] initial forced moves not implemented */
884 case VariantShogi: /* [HGM] drops not tested for legality */
885 case VariantKnightmate: /* [HGM] should work */
886 case VariantCylinder: /* [HGM] untested */
887 case VariantFalcon: /* [HGM] untested */
888 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
889 offboard interposition not understood */
890 case VariantNormal: /* definitely works! */
891 case VariantWildCastle: /* pieces not automatically shuffled */
892 case VariantNoCastle: /* pieces not automatically shuffled */
893 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
894 case VariantLosers: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantSuicide: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantGiveaway: /* should work except for win condition,
899 and doesn't know captures are mandatory */
900 case VariantTwoKings: /* should work */
901 case VariantAtomic: /* should work except for win condition */
902 case Variant3Check: /* should work except for win condition */
903 case VariantShatranj: /* should work except for all win conditions */
904 case VariantMakruk: /* should work except for daw countdown */
905 case VariantBerolina: /* might work if TestLegality is off */
906 case VariantCapaRandom: /* should work */
907 case VariantJanus: /* should work */
908 case VariantSuper: /* experimental */
909 case VariantGreat: /* experimental, requires legality testing to be off */
914 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
915 InitEngineUCI( installDir, &second );
918 int NextIntegerFromString( char ** str, long * value )
923 while( *s == ' ' || *s == '\t' ) {
929 if( *s >= '0' && *s <= '9' ) {
930 while( *s >= '0' && *s <= '9' ) {
931 *value = *value * 10 + (*s - '0');
943 int NextTimeControlFromString( char ** str, long * value )
946 int result = NextIntegerFromString( str, &temp );
949 *value = temp * 60; /* Minutes */
952 result = NextIntegerFromString( str, &temp );
953 *value += temp; /* Seconds */
960 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
961 { /* [HGM] routine added to read '+moves/time' for secondary time control */
962 int result = -1; long temp, temp2;
964 if(**str != '+') return -1; // old params remain in force!
966 if( NextTimeControlFromString( str, &temp ) ) return -1;
969 /* time only: incremental or sudden-death time control */
970 if(**str == '+') { /* increment follows; read it */
972 if(result = NextIntegerFromString( str, &temp2)) return -1;
975 *moves = 0; *tc = temp * 1000;
977 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
979 (*str)++; /* classical time control */
980 result = NextTimeControlFromString( str, &temp2);
989 int GetTimeQuota(int movenr)
990 { /* [HGM] get time to add from the multi-session time-control string */
991 int moves=1; /* kludge to force reading of first session */
992 long time, increment;
993 char *s = fullTimeControlString;
995 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
997 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
998 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
999 if(movenr == -1) return time; /* last move before new session */
1000 if(!moves) return increment; /* current session is incremental */
1001 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1002 } while(movenr >= -1); /* try again for next session */
1004 return 0; // no new time quota on this move
1008 ParseTimeControl(tc, ti, mps)
1017 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1020 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1021 else sprintf(buf, "+%s+%d", tc, ti);
1024 sprintf(buf, "+%d/%s", mps, tc);
1025 else sprintf(buf, "+%s", tc);
1027 fullTimeControlString = StrSave(buf);
1029 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1034 /* Parse second time control */
1037 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1045 timeControl_2 = tc2 * 1000;
1055 timeControl = tc1 * 1000;
1058 timeIncrement = ti * 1000; /* convert to ms */
1059 movesPerSession = 0;
1062 movesPerSession = mps;
1070 if (appData.debugMode) {
1071 fprintf(debugFP, "%s\n", programVersion);
1074 set_cont_sequence(appData.wrapContSeq);
1075 if (appData.matchGames > 0) {
1076 appData.matchMode = TRUE;
1077 } else if (appData.matchMode) {
1078 appData.matchGames = 1;
1080 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1081 appData.matchGames = appData.sameColorGames;
1082 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1083 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1084 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1087 if (appData.noChessProgram || first.protocolVersion == 1) {
1090 /* kludge: allow timeout for initial "feature" commands */
1092 DisplayMessage("", _("Starting chess program"));
1093 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1098 InitBackEnd3 P((void))
1100 GameMode initialMode;
1104 InitChessProgram(&first, startedFromSetupPosition);
1107 if (appData.icsActive) {
1109 /* [DM] Make a console window if needed [HGM] merged ifs */
1114 if (*appData.icsCommPort != NULLCHAR) {
1115 sprintf(buf, _("Could not open comm port %s"),
1116 appData.icsCommPort);
1118 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1119 appData.icsHost, appData.icsPort);
1121 DisplayFatalError(buf, err, 1);
1126 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1128 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1129 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1130 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1131 } else if (appData.noChessProgram) {
1137 if (*appData.cmailGameName != NULLCHAR) {
1139 OpenLoopback(&cmailPR);
1141 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1145 DisplayMessage("", "");
1146 if (StrCaseCmp(appData.initialMode, "") == 0) {
1147 initialMode = BeginningOfGame;
1148 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1149 initialMode = TwoMachinesPlay;
1150 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1151 initialMode = AnalyzeFile;
1152 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1153 initialMode = AnalyzeMode;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1155 initialMode = MachinePlaysWhite;
1156 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1157 initialMode = MachinePlaysBlack;
1158 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1159 initialMode = EditGame;
1160 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1161 initialMode = EditPosition;
1162 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1163 initialMode = Training;
1165 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1166 DisplayFatalError(buf, 0, 2);
1170 if (appData.matchMode) {
1171 /* Set up machine vs. machine match */
1172 if (appData.noChessProgram) {
1173 DisplayFatalError(_("Can't have a match with no chess programs"),
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 int index = appData.loadGameIndex; // [HGM] autoinc
1181 if(index<0) lastIndex = index = 1;
1182 if (!LoadGameFromFile(appData.loadGameFile,
1184 appData.loadGameFile, FALSE)) {
1185 DisplayFatalError(_("Bad game file"), 0, 1);
1188 } else if (*appData.loadPositionFile != NULLCHAR) {
1189 int index = appData.loadPositionIndex; // [HGM] autoinc
1190 if(index<0) lastIndex = index = 1;
1191 if (!LoadPositionFromFile(appData.loadPositionFile,
1193 appData.loadPositionFile)) {
1194 DisplayFatalError(_("Bad position file"), 0, 1);
1199 } else if (*appData.cmailGameName != NULLCHAR) {
1200 /* Set up cmail mode */
1201 ReloadCmailMsgEvent(TRUE);
1203 /* Set up other modes */
1204 if (initialMode == AnalyzeFile) {
1205 if (*appData.loadGameFile == NULLCHAR) {
1206 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1210 if (*appData.loadGameFile != NULLCHAR) {
1211 (void) LoadGameFromFile(appData.loadGameFile,
1212 appData.loadGameIndex,
1213 appData.loadGameFile, TRUE);
1214 } else if (*appData.loadPositionFile != NULLCHAR) {
1215 (void) LoadPositionFromFile(appData.loadPositionFile,
1216 appData.loadPositionIndex,
1217 appData.loadPositionFile);
1218 /* [HGM] try to make self-starting even after FEN load */
1219 /* to allow automatic setup of fairy variants with wtm */
1220 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1221 gameMode = BeginningOfGame;
1222 setboardSpoiledMachineBlack = 1;
1224 /* [HGM] loadPos: make that every new game uses the setup */
1225 /* from file as long as we do not switch variant */
1226 if(!blackPlaysFirst) {
1227 startedFromPositionFile = TRUE;
1228 CopyBoard(filePosition, boards[0]);
1231 if (initialMode == AnalyzeMode) {
1232 if (appData.noChessProgram) {
1233 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1236 if (appData.icsActive) {
1237 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1241 } else if (initialMode == AnalyzeFile) {
1242 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1243 ShowThinkingEvent();
1245 AnalysisPeriodicEvent(1);
1246 } else if (initialMode == MachinePlaysWhite) {
1247 if (appData.noChessProgram) {
1248 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1252 if (appData.icsActive) {
1253 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1257 MachineWhiteEvent();
1258 } else if (initialMode == MachinePlaysBlack) {
1259 if (appData.noChessProgram) {
1260 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1264 if (appData.icsActive) {
1265 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1269 MachineBlackEvent();
1270 } else if (initialMode == TwoMachinesPlay) {
1271 if (appData.noChessProgram) {
1272 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1276 if (appData.icsActive) {
1277 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1282 } else if (initialMode == EditGame) {
1284 } else if (initialMode == EditPosition) {
1285 EditPositionEvent();
1286 } else if (initialMode == Training) {
1287 if (*appData.loadGameFile == NULLCHAR) {
1288 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1297 * Establish will establish a contact to a remote host.port.
1298 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1299 * used to talk to the host.
1300 * Returns 0 if okay, error code if not.
1307 if (*appData.icsCommPort != NULLCHAR) {
1308 /* Talk to the host through a serial comm port */
1309 return OpenCommPort(appData.icsCommPort, &icsPR);
1311 } else if (*appData.gateway != NULLCHAR) {
1312 if (*appData.remoteShell == NULLCHAR) {
1313 /* Use the rcmd protocol to run telnet program on a gateway host */
1314 snprintf(buf, sizeof(buf), "%s %s %s",
1315 appData.telnetProgram, appData.icsHost, appData.icsPort);
1316 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1319 /* Use the rsh program to run telnet program on a gateway host */
1320 if (*appData.remoteUser == NULLCHAR) {
1321 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1322 appData.gateway, appData.telnetProgram,
1323 appData.icsHost, appData.icsPort);
1325 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1326 appData.remoteShell, appData.gateway,
1327 appData.remoteUser, appData.telnetProgram,
1328 appData.icsHost, appData.icsPort);
1330 return StartChildProcess(buf, "", &icsPR);
1333 } else if (appData.useTelnet) {
1334 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1337 /* TCP socket interface differs somewhat between
1338 Unix and NT; handle details in the front end.
1340 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1345 show_bytes(fp, buf, count)
1351 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1352 fprintf(fp, "\\%03o", *buf & 0xff);
1361 /* Returns an errno value */
1363 OutputMaybeTelnet(pr, message, count, outError)
1369 char buf[8192], *p, *q, *buflim;
1370 int left, newcount, outcount;
1372 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1373 *appData.gateway != NULLCHAR) {
1374 if (appData.debugMode) {
1375 fprintf(debugFP, ">ICS: ");
1376 show_bytes(debugFP, message, count);
1377 fprintf(debugFP, "\n");
1379 return OutputToProcess(pr, message, count, outError);
1382 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1389 if (appData.debugMode) {
1390 fprintf(debugFP, ">ICS: ");
1391 show_bytes(debugFP, buf, newcount);
1392 fprintf(debugFP, "\n");
1394 outcount = OutputToProcess(pr, buf, newcount, outError);
1395 if (outcount < newcount) return -1; /* to be sure */
1402 } else if (((unsigned char) *p) == TN_IAC) {
1403 *q++ = (char) TN_IAC;
1410 if (appData.debugMode) {
1411 fprintf(debugFP, ">ICS: ");
1412 show_bytes(debugFP, buf, newcount);
1413 fprintf(debugFP, "\n");
1415 outcount = OutputToProcess(pr, buf, newcount, outError);
1416 if (outcount < newcount) return -1; /* to be sure */
1421 read_from_player(isr, closure, message, count, error)
1428 int outError, outCount;
1429 static int gotEof = 0;
1431 /* Pass data read from player on to ICS */
1434 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1435 if (outCount < count) {
1436 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1438 } else if (count < 0) {
1439 RemoveInputSource(isr);
1440 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1441 } else if (gotEof++ > 0) {
1442 RemoveInputSource(isr);
1443 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1449 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1450 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1451 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1452 SendToICS("date\n");
1453 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1456 /* added routine for printf style output to ics */
1457 void ics_printf(char *format, ...)
1459 char buffer[MSG_SIZ];
1462 va_start(args, format);
1463 vsnprintf(buffer, sizeof(buffer), format, args);
1464 buffer[sizeof(buffer)-1] = '\0';
1473 int count, outCount, outError;
1475 if (icsPR == NULL) return;
1478 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1479 if (outCount < count) {
1480 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1484 /* This is used for sending logon scripts to the ICS. Sending
1485 without a delay causes problems when using timestamp on ICC
1486 (at least on my machine). */
1488 SendToICSDelayed(s,msdelay)
1492 int count, outCount, outError;
1494 if (icsPR == NULL) return;
1497 if (appData.debugMode) {
1498 fprintf(debugFP, ">ICS: ");
1499 show_bytes(debugFP, s, count);
1500 fprintf(debugFP, "\n");
1502 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1504 if (outCount < count) {
1505 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1510 /* Remove all highlighting escape sequences in s
1511 Also deletes any suffix starting with '('
1514 StripHighlightAndTitle(s)
1517 static char retbuf[MSG_SIZ];
1520 while (*s != NULLCHAR) {
1521 while (*s == '\033') {
1522 while (*s != NULLCHAR && !isalpha(*s)) s++;
1523 if (*s != NULLCHAR) s++;
1525 while (*s != NULLCHAR && *s != '\033') {
1526 if (*s == '(' || *s == '[') {
1537 /* Remove all highlighting escape sequences in s */
1542 static char retbuf[MSG_SIZ];
1545 while (*s != NULLCHAR) {
1546 while (*s == '\033') {
1547 while (*s != NULLCHAR && !isalpha(*s)) s++;
1548 if (*s != NULLCHAR) s++;
1550 while (*s != NULLCHAR && *s != '\033') {
1558 char *variantNames[] = VARIANT_NAMES;
1563 return variantNames[v];
1567 /* Identify a variant from the strings the chess servers use or the
1568 PGN Variant tag names we use. */
1575 VariantClass v = VariantNormal;
1576 int i, found = FALSE;
1581 /* [HGM] skip over optional board-size prefixes */
1582 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1583 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1584 while( *e++ != '_');
1587 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1591 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1592 if (StrCaseStr(e, variantNames[i])) {
1593 v = (VariantClass) i;
1600 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1601 || StrCaseStr(e, "wild/fr")
1602 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1603 v = VariantFischeRandom;
1604 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1605 (i = 1, p = StrCaseStr(e, "w"))) {
1607 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1614 case 0: /* FICS only, actually */
1616 /* Castling legal even if K starts on d-file */
1617 v = VariantWildCastle;
1622 /* Castling illegal even if K & R happen to start in
1623 normal positions. */
1624 v = VariantNoCastle;
1637 /* Castling legal iff K & R start in normal positions */
1643 /* Special wilds for position setup; unclear what to do here */
1644 v = VariantLoadable;
1647 /* Bizarre ICC game */
1648 v = VariantTwoKings;
1651 v = VariantKriegspiel;
1657 v = VariantFischeRandom;
1660 v = VariantCrazyhouse;
1663 v = VariantBughouse;
1669 /* Not quite the same as FICS suicide! */
1670 v = VariantGiveaway;
1676 v = VariantShatranj;
1679 /* Temporary names for future ICC types. The name *will* change in
1680 the next xboard/WinBoard release after ICC defines it. */
1718 v = VariantCapablanca;
1721 v = VariantKnightmate;
1727 v = VariantCylinder;
1733 v = VariantCapaRandom;
1736 v = VariantBerolina;
1748 /* Found "wild" or "w" in the string but no number;
1749 must assume it's normal chess. */
1753 sprintf(buf, _("Unknown wild type %d"), wnum);
1754 DisplayError(buf, 0);
1760 if (appData.debugMode) {
1761 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1762 e, wnum, VariantName(v));
1767 static int leftover_start = 0, leftover_len = 0;
1768 char star_match[STAR_MATCH_N][MSG_SIZ];
1770 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1771 advance *index beyond it, and set leftover_start to the new value of
1772 *index; else return FALSE. If pattern contains the character '*', it
1773 matches any sequence of characters not containing '\r', '\n', or the
1774 character following the '*' (if any), and the matched sequence(s) are
1775 copied into star_match.
1778 looking_at(buf, index, pattern)
1783 char *bufp = &buf[*index], *patternp = pattern;
1785 char *matchp = star_match[0];
1788 if (*patternp == NULLCHAR) {
1789 *index = leftover_start = bufp - buf;
1793 if (*bufp == NULLCHAR) return FALSE;
1794 if (*patternp == '*') {
1795 if (*bufp == *(patternp + 1)) {
1797 matchp = star_match[++star_count];
1801 } else if (*bufp == '\n' || *bufp == '\r') {
1803 if (*patternp == NULLCHAR)
1808 *matchp++ = *bufp++;
1812 if (*patternp != *bufp) return FALSE;
1819 SendToPlayer(data, length)
1823 int error, outCount;
1824 outCount = OutputToProcess(NoProc, data, length, &error);
1825 if (outCount < length) {
1826 DisplayFatalError(_("Error writing to display"), error, 1);
1831 PackHolding(packed, holding)
1843 switch (runlength) {
1854 sprintf(q, "%d", runlength);
1866 /* Telnet protocol requests from the front end */
1868 TelnetRequest(ddww, option)
1869 unsigned char ddww, option;
1871 unsigned char msg[3];
1872 int outCount, outError;
1874 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1876 if (appData.debugMode) {
1877 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1893 sprintf(buf1, "%d", ddww);
1902 sprintf(buf2, "%d", option);
1905 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1910 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1919 if (!appData.icsActive) return;
1920 TelnetRequest(TN_DO, TN_ECHO);
1926 if (!appData.icsActive) return;
1927 TelnetRequest(TN_DONT, TN_ECHO);
1931 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1933 /* put the holdings sent to us by the server on the board holdings area */
1934 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1938 if(gameInfo.holdingsWidth < 2) return;
1939 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1940 return; // prevent overwriting by pre-board holdings
1942 if( (int)lowestPiece >= BlackPawn ) {
1945 holdingsStartRow = BOARD_HEIGHT-1;
1948 holdingsColumn = BOARD_WIDTH-1;
1949 countsColumn = BOARD_WIDTH-2;
1950 holdingsStartRow = 0;
1954 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1955 board[i][holdingsColumn] = EmptySquare;
1956 board[i][countsColumn] = (ChessSquare) 0;
1958 while( (p=*holdings++) != NULLCHAR ) {
1959 piece = CharToPiece( ToUpper(p) );
1960 if(piece == EmptySquare) continue;
1961 /*j = (int) piece - (int) WhitePawn;*/
1962 j = PieceToNumber(piece);
1963 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1964 if(j < 0) continue; /* should not happen */
1965 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1966 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1967 board[holdingsStartRow+j*direction][countsColumn]++;
1973 VariantSwitch(Board board, VariantClass newVariant)
1975 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1978 startedFromPositionFile = FALSE;
1979 if(gameInfo.variant == newVariant) return;
1981 /* [HGM] This routine is called each time an assignment is made to
1982 * gameInfo.variant during a game, to make sure the board sizes
1983 * are set to match the new variant. If that means adding or deleting
1984 * holdings, we shift the playing board accordingly
1985 * This kludge is needed because in ICS observe mode, we get boards
1986 * of an ongoing game without knowing the variant, and learn about the
1987 * latter only later. This can be because of the move list we requested,
1988 * in which case the game history is refilled from the beginning anyway,
1989 * but also when receiving holdings of a crazyhouse game. In the latter
1990 * case we want to add those holdings to the already received position.
1994 if (appData.debugMode) {
1995 fprintf(debugFP, "Switch board from %s to %s\n",
1996 VariantName(gameInfo.variant), VariantName(newVariant));
1997 setbuf(debugFP, NULL);
1999 shuffleOpenings = 0; /* [HGM] shuffle */
2000 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2004 newWidth = 9; newHeight = 9;
2005 gameInfo.holdingsSize = 7;
2006 case VariantBughouse:
2007 case VariantCrazyhouse:
2008 newHoldingsWidth = 2; break;
2012 newHoldingsWidth = 2;
2013 gameInfo.holdingsSize = 8;
2016 case VariantCapablanca:
2017 case VariantCapaRandom:
2020 newHoldingsWidth = gameInfo.holdingsSize = 0;
2023 if(newWidth != gameInfo.boardWidth ||
2024 newHeight != gameInfo.boardHeight ||
2025 newHoldingsWidth != gameInfo.holdingsWidth ) {
2027 /* shift position to new playing area, if needed */
2028 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2029 for(i=0; i<BOARD_HEIGHT; i++)
2030 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2031 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2033 for(i=0; i<newHeight; i++) {
2034 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2035 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2037 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2038 for(i=0; i<BOARD_HEIGHT; i++)
2039 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2040 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2043 gameInfo.boardWidth = newWidth;
2044 gameInfo.boardHeight = newHeight;
2045 gameInfo.holdingsWidth = newHoldingsWidth;
2046 gameInfo.variant = newVariant;
2047 InitDrawingSizes(-2, 0);
2048 } else gameInfo.variant = newVariant;
2049 CopyBoard(oldBoard, board); // remember correctly formatted board
2050 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2051 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2054 static int loggedOn = FALSE;
2056 /*-- Game start info cache: --*/
2058 char gs_kind[MSG_SIZ];
2059 static char player1Name[128] = "";
2060 static char player2Name[128] = "";
2061 static char cont_seq[] = "\n\\ ";
2062 static int player1Rating = -1;
2063 static int player2Rating = -1;
2064 /*----------------------------*/
2066 ColorClass curColor = ColorNormal;
2067 int suppressKibitz = 0;
2070 Boolean soughtPending = FALSE;
2071 Boolean seekGraphUp;
2072 #define MAX_SEEK_ADS 200
2074 char *seekAdList[MAX_SEEK_ADS];
2075 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2076 float tcList[MAX_SEEK_ADS];
2077 char colorList[MAX_SEEK_ADS];
2078 int nrOfSeekAds = 0;
2079 int minRating = 1010, maxRating = 2800;
2080 int hMargin = 10, vMargin = 20, h, w;
2081 extern int squareSize, lineGap;
2086 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2087 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2088 if(r < minRating+100 && r >=0 ) r = minRating+100;
2089 if(r > maxRating) r = maxRating;
2090 if(tc < 1.) tc = 1.;
2091 if(tc > 95.) tc = 95.;
2092 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2093 y = ((double)r - minRating)/(maxRating - minRating)
2094 * (h-vMargin-squareSize/8-1) + vMargin;
2095 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2096 if(strstr(seekAdList[i], " u ")) color = 1;
2097 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2098 !strstr(seekAdList[i], "bullet") &&
2099 !strstr(seekAdList[i], "blitz") &&
2100 !strstr(seekAdList[i], "standard") ) color = 2;
2101 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2102 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2106 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2108 char buf[MSG_SIZ], *ext = "";
2109 VariantClass v = StringToVariant(type);
2110 if(strstr(type, "wild")) {
2111 ext = type + 4; // append wild number
2112 if(v == VariantFischeRandom) type = "chess960"; else
2113 if(v == VariantLoadable) type = "setup"; else
2114 type = VariantName(v);
2116 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2117 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2118 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2119 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2120 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2121 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2122 seekNrList[nrOfSeekAds] = nr;
2123 zList[nrOfSeekAds] = 0;
2124 seekAdList[nrOfSeekAds++] = StrSave(buf);
2125 if(plot) PlotSeekAd(nrOfSeekAds-1);
2132 int x = xList[i], y = yList[i], d=squareSize/4, k;
2133 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2134 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2135 // now replot every dot that overlapped
2136 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2137 int xx = xList[k], yy = yList[k];
2138 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2139 DrawSeekDot(xx, yy, colorList[k]);
2144 RemoveSeekAd(int nr)
2147 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2149 if(seekAdList[i]) free(seekAdList[i]);
2150 seekAdList[i] = seekAdList[--nrOfSeekAds];
2151 seekNrList[i] = seekNrList[nrOfSeekAds];
2152 ratingList[i] = ratingList[nrOfSeekAds];
2153 colorList[i] = colorList[nrOfSeekAds];
2154 tcList[i] = tcList[nrOfSeekAds];
2155 xList[i] = xList[nrOfSeekAds];
2156 yList[i] = yList[nrOfSeekAds];
2157 zList[i] = zList[nrOfSeekAds];
2158 seekAdList[nrOfSeekAds] = NULL;
2164 MatchSoughtLine(char *line)
2166 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2167 int nr, base, inc, u=0; char dummy;
2169 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2170 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2172 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2173 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2174 // match: compact and save the line
2175 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2184 if(!seekGraphUp) return FALSE;
2186 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2187 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2189 DrawSeekBackground(0, 0, w, h);
2190 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2191 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2192 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2193 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2195 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2198 sprintf(buf, "%d", i);
2199 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2202 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2203 for(i=1; i<100; i+=(i<10?1:5)) {
2204 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2205 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2206 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2208 sprintf(buf, "%d", i);
2209 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2212 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2216 int SeekGraphClick(ClickType click, int x, int y, int moving)
2218 static int lastDown = 0, displayed = 0, lastSecond;
2219 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2220 if(click == Release || moving) return FALSE;
2222 soughtPending = TRUE;
2223 SendToICS(ics_prefix);
2224 SendToICS("sought\n"); // should this be "sought all"?
2225 } else { // issue challenge based on clicked ad
2226 int dist = 10000; int i, closest = 0, second = 0;
2227 for(i=0; i<nrOfSeekAds; i++) {
2228 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2229 if(d < dist) { dist = d; closest = i; }
2230 second += (d - zList[i] < 120); // count in-range ads
2231 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2235 second = (second > 1);
2236 if(displayed != closest || second != lastSecond) {
2237 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2238 lastSecond = second; displayed = closest;
2240 if(click == Press) {
2241 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2244 } // on press 'hit', only show info
2245 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2246 sprintf(buf, "play %d\n", seekNrList[closest]);
2247 SendToICS(ics_prefix);
2249 return TRUE; // let incoming board of started game pop down the graph
2250 } else if(click == Release) { // release 'miss' is ignored
2251 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2252 if(moving == 2) { // right up-click
2253 nrOfSeekAds = 0; // refresh graph
2254 soughtPending = TRUE;
2255 SendToICS(ics_prefix);
2256 SendToICS("sought\n"); // should this be "sought all"?
2259 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2260 // press miss or release hit 'pop down' seek graph
2261 seekGraphUp = FALSE;
2262 DrawPosition(TRUE, NULL);
2268 read_from_ics(isr, closure, data, count, error)
2275 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2276 #define STARTED_NONE 0
2277 #define STARTED_MOVES 1
2278 #define STARTED_BOARD 2
2279 #define STARTED_OBSERVE 3
2280 #define STARTED_HOLDINGS 4
2281 #define STARTED_CHATTER 5
2282 #define STARTED_COMMENT 6
2283 #define STARTED_MOVES_NOHIDE 7
2285 static int started = STARTED_NONE;
2286 static char parse[20000];
2287 static int parse_pos = 0;
2288 static char buf[BUF_SIZE + 1];
2289 static int firstTime = TRUE, intfSet = FALSE;
2290 static ColorClass prevColor = ColorNormal;
2291 static int savingComment = FALSE;
2292 static int cmatch = 0; // continuation sequence match
2299 int backup; /* [DM] For zippy color lines */
2301 char talker[MSG_SIZ]; // [HGM] chat
2304 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2306 if (appData.debugMode) {
2308 fprintf(debugFP, "<ICS: ");
2309 show_bytes(debugFP, data, count);
2310 fprintf(debugFP, "\n");
2314 if (appData.debugMode) { int f = forwardMostMove;
2315 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2316 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2317 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2320 /* If last read ended with a partial line that we couldn't parse,
2321 prepend it to the new read and try again. */
2322 if (leftover_len > 0) {
2323 for (i=0; i<leftover_len; i++)
2324 buf[i] = buf[leftover_start + i];
2327 /* copy new characters into the buffer */
2328 bp = buf + leftover_len;
2329 buf_len=leftover_len;
2330 for (i=0; i<count; i++)
2333 if (data[i] == '\r')
2336 // join lines split by ICS?
2337 if (!appData.noJoin)
2340 Joining just consists of finding matches against the
2341 continuation sequence, and discarding that sequence
2342 if found instead of copying it. So, until a match
2343 fails, there's nothing to do since it might be the
2344 complete sequence, and thus, something we don't want
2347 if (data[i] == cont_seq[cmatch])
2350 if (cmatch == strlen(cont_seq))
2352 cmatch = 0; // complete match. just reset the counter
2355 it's possible for the ICS to not include the space
2356 at the end of the last word, making our [correct]
2357 join operation fuse two separate words. the server
2358 does this when the space occurs at the width setting.
2360 if (!buf_len || buf[buf_len-1] != ' ')
2371 match failed, so we have to copy what matched before
2372 falling through and copying this character. In reality,
2373 this will only ever be just the newline character, but
2374 it doesn't hurt to be precise.
2376 strncpy(bp, cont_seq, cmatch);
2388 buf[buf_len] = NULLCHAR;
2389 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2394 while (i < buf_len) {
2395 /* Deal with part of the TELNET option negotiation
2396 protocol. We refuse to do anything beyond the
2397 defaults, except that we allow the WILL ECHO option,
2398 which ICS uses to turn off password echoing when we are
2399 directly connected to it. We reject this option
2400 if localLineEditing mode is on (always on in xboard)
2401 and we are talking to port 23, which might be a real
2402 telnet server that will try to keep WILL ECHO on permanently.
2404 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2405 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2406 unsigned char option;
2408 switch ((unsigned char) buf[++i]) {
2410 if (appData.debugMode)
2411 fprintf(debugFP, "\n<WILL ");
2412 switch (option = (unsigned char) buf[++i]) {
2414 if (appData.debugMode)
2415 fprintf(debugFP, "ECHO ");
2416 /* Reply only if this is a change, according
2417 to the protocol rules. */
2418 if (remoteEchoOption) break;
2419 if (appData.localLineEditing &&
2420 atoi(appData.icsPort) == TN_PORT) {
2421 TelnetRequest(TN_DONT, TN_ECHO);
2424 TelnetRequest(TN_DO, TN_ECHO);
2425 remoteEchoOption = TRUE;
2429 if (appData.debugMode)
2430 fprintf(debugFP, "%d ", option);
2431 /* Whatever this is, we don't want it. */
2432 TelnetRequest(TN_DONT, option);
2437 if (appData.debugMode)
2438 fprintf(debugFP, "\n<WONT ");
2439 switch (option = (unsigned char) buf[++i]) {
2441 if (appData.debugMode)
2442 fprintf(debugFP, "ECHO ");
2443 /* Reply only if this is a change, according
2444 to the protocol rules. */
2445 if (!remoteEchoOption) break;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2448 remoteEchoOption = FALSE;
2451 if (appData.debugMode)
2452 fprintf(debugFP, "%d ", (unsigned char) option);
2453 /* Whatever this is, it must already be turned
2454 off, because we never agree to turn on
2455 anything non-default, so according to the
2456 protocol rules, we don't reply. */
2461 if (appData.debugMode)
2462 fprintf(debugFP, "\n<DO ");
2463 switch (option = (unsigned char) buf[++i]) {
2465 /* Whatever this is, we refuse to do it. */
2466 if (appData.debugMode)
2467 fprintf(debugFP, "%d ", option);
2468 TelnetRequest(TN_WONT, option);
2473 if (appData.debugMode)
2474 fprintf(debugFP, "\n<DONT ");
2475 switch (option = (unsigned char) buf[++i]) {
2477 if (appData.debugMode)
2478 fprintf(debugFP, "%d ", option);
2479 /* Whatever this is, we are already not doing
2480 it, because we never agree to do anything
2481 non-default, so according to the protocol
2482 rules, we don't reply. */
2487 if (appData.debugMode)
2488 fprintf(debugFP, "\n<IAC ");
2489 /* Doubled IAC; pass it through */
2493 if (appData.debugMode)
2494 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2495 /* Drop all other telnet commands on the floor */
2498 if (oldi > next_out)
2499 SendToPlayer(&buf[next_out], oldi - next_out);
2505 /* OK, this at least will *usually* work */
2506 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2510 if (loggedOn && !intfSet) {
2511 if (ics_type == ICS_ICC) {
2513 "/set-quietly interface %s\n/set-quietly style 12\n",
2515 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2516 strcat(str, "/set-2 51 1\n/set seek 1\n");
2517 } else if (ics_type == ICS_CHESSNET) {
2518 sprintf(str, "/style 12\n");
2520 strcpy(str, "alias $ @\n$set interface ");
2521 strcat(str, programVersion);
2522 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2523 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2524 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2526 strcat(str, "$iset nohighlight 1\n");
2528 strcat(str, "$iset lock 1\n$style 12\n");
2531 NotifyFrontendLogin();
2535 if (started == STARTED_COMMENT) {
2536 /* Accumulate characters in comment */
2537 parse[parse_pos++] = buf[i];
2538 if (buf[i] == '\n') {
2539 parse[parse_pos] = NULLCHAR;
2540 if(chattingPartner>=0) {
2542 sprintf(mess, "%s%s", talker, parse);
2543 OutputChatMessage(chattingPartner, mess);
2544 chattingPartner = -1;
2545 next_out = i+1; // [HGM] suppress printing in ICS window
2547 if(!suppressKibitz) // [HGM] kibitz
2548 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2549 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2550 int nrDigit = 0, nrAlph = 0, j;
2551 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2552 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2553 parse[parse_pos] = NULLCHAR;
2554 // try to be smart: if it does not look like search info, it should go to
2555 // ICS interaction window after all, not to engine-output window.
2556 for(j=0; j<parse_pos; j++) { // count letters and digits
2557 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2558 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2559 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2561 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2562 int depth=0; float score;
2563 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2564 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2565 pvInfoList[forwardMostMove-1].depth = depth;
2566 pvInfoList[forwardMostMove-1].score = 100*score;
2568 OutputKibitz(suppressKibitz, parse);
2571 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2572 SendToPlayer(tmp, strlen(tmp));
2574 next_out = i+1; // [HGM] suppress printing in ICS window
2576 started = STARTED_NONE;
2578 /* Don't match patterns against characters in comment */
2583 if (started == STARTED_CHATTER) {
2584 if (buf[i] != '\n') {
2585 /* Don't match patterns against characters in chatter */
2589 started = STARTED_NONE;
2590 if(suppressKibitz) next_out = i+1;
2593 /* Kludge to deal with rcmd protocol */
2594 if (firstTime && looking_at(buf, &i, "\001*")) {
2595 DisplayFatalError(&buf[1], 0, 1);
2601 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2604 if (appData.debugMode)
2605 fprintf(debugFP, "ics_type %d\n", ics_type);
2608 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2609 ics_type = ICS_FICS;
2611 if (appData.debugMode)
2612 fprintf(debugFP, "ics_type %d\n", ics_type);
2615 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2616 ics_type = ICS_CHESSNET;
2618 if (appData.debugMode)
2619 fprintf(debugFP, "ics_type %d\n", ics_type);
2624 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2625 looking_at(buf, &i, "Logging you in as \"*\"") ||
2626 looking_at(buf, &i, "will be \"*\""))) {
2627 strcpy(ics_handle, star_match[0]);
2631 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2633 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2634 DisplayIcsInteractionTitle(buf);
2635 have_set_title = TRUE;
2638 /* skip finger notes */
2639 if (started == STARTED_NONE &&
2640 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2641 (buf[i] == '1' && buf[i+1] == '0')) &&
2642 buf[i+2] == ':' && buf[i+3] == ' ') {
2643 started = STARTED_CHATTER;
2649 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2650 if(appData.seekGraph) {
2651 if(soughtPending && MatchSoughtLine(buf+i)) {
2652 i = strstr(buf+i, "rated") - buf;
2653 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2654 next_out = leftover_start = i;
2655 started = STARTED_CHATTER;
2656 suppressKibitz = TRUE;
2659 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2660 && looking_at(buf, &i, "* ads displayed")) {
2661 soughtPending = FALSE;
2666 if(appData.autoRefresh) {
2667 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2668 int s = (ics_type == ICS_ICC); // ICC format differs
2670 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2671 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2672 looking_at(buf, &i, "*% "); // eat prompt
2673 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2674 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2675 next_out = i; // suppress
2678 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2679 char *p = star_match[0];
2681 if(seekGraphUp) RemoveSeekAd(atoi(p));
2682 while(*p && *p++ != ' '); // next
2684 looking_at(buf, &i, "*% "); // eat prompt
2685 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2692 /* skip formula vars */
2693 if (started == STARTED_NONE &&
2694 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2695 started = STARTED_CHATTER;
2700 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2701 if (appData.autoKibitz && started == STARTED_NONE &&
2702 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2703 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2704 if(looking_at(buf, &i, "* kibitzes: ") &&
2705 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2706 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2707 suppressKibitz = TRUE;
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2710 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2711 && (gameMode == IcsPlayingWhite)) ||
2712 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2713 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2714 started = STARTED_CHATTER; // own kibitz we simply discard
2716 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2717 parse_pos = 0; parse[0] = NULLCHAR;
2718 savingComment = TRUE;
2719 suppressKibitz = gameMode != IcsObserving ? 2 :
2720 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2724 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2725 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2726 && atoi(star_match[0])) {
2727 // suppress the acknowledgements of our own autoKibitz
2729 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2730 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2731 SendToPlayer(star_match[0], strlen(star_match[0]));
2732 if(looking_at(buf, &i, "*% ")) // eat prompt
2733 suppressKibitz = FALSE;
2737 } // [HGM] kibitz: end of patch
2739 // [HGM] chat: intercept tells by users for which we have an open chat window
2741 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2742 looking_at(buf, &i, "* whispers:") ||
2743 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2744 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2745 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2746 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2748 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2749 chattingPartner = -1;
2751 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2752 for(p=0; p<MAX_CHAT; p++) {
2753 if(channel == atoi(chatPartner[p])) {
2754 talker[0] = '['; strcat(talker, "] ");
2755 chattingPartner = p; break;
2758 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2759 for(p=0; p<MAX_CHAT; p++) {
2760 if(!strcmp("WHISPER", chatPartner[p])) {
2761 talker[0] = '['; strcat(talker, "] ");
2762 chattingPartner = p; break;
2765 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2766 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2768 chattingPartner = p; break;
2770 if(chattingPartner<0) i = oldi; else {
2771 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2772 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2773 started = STARTED_COMMENT;
2774 parse_pos = 0; parse[0] = NULLCHAR;
2775 savingComment = 3 + chattingPartner; // counts as TRUE
2776 suppressKibitz = TRUE;
2779 } // [HGM] chat: end of patch
2781 if (appData.zippyTalk || appData.zippyPlay) {
2782 /* [DM] Backup address for color zippy lines */
2786 if (loggedOn == TRUE)
2787 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2788 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2790 if (ZippyControl(buf, &i) ||
2791 ZippyConverse(buf, &i) ||
2792 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2794 if (!appData.colorize) continue;
2798 } // [DM] 'else { ' deleted
2800 /* Regular tells and says */
2801 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2802 looking_at(buf, &i, "* (your partner) tells you: ") ||
2803 looking_at(buf, &i, "* says: ") ||
2804 /* Don't color "message" or "messages" output */
2805 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2806 looking_at(buf, &i, "*. * at *:*: ") ||
2807 looking_at(buf, &i, "--* (*:*): ") ||
2808 /* Message notifications (same color as tells) */
2809 looking_at(buf, &i, "* has left a message ") ||
2810 looking_at(buf, &i, "* just sent you a message:\n") ||
2811 /* Whispers and kibitzes */
2812 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2813 looking_at(buf, &i, "* kibitzes: ") ||
2815 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2817 if (tkind == 1 && strchr(star_match[0], ':')) {
2818 /* Avoid "tells you:" spoofs in channels */
2821 if (star_match[0][0] == NULLCHAR ||
2822 strchr(star_match[0], ' ') ||
2823 (tkind == 3 && strchr(star_match[1], ' '))) {
2824 /* Reject bogus matches */
2827 if (appData.colorize) {
2828 if (oldi > next_out) {
2829 SendToPlayer(&buf[next_out], oldi - next_out);
2834 Colorize(ColorTell, FALSE);
2835 curColor = ColorTell;
2838 Colorize(ColorKibitz, FALSE);
2839 curColor = ColorKibitz;
2842 p = strrchr(star_match[1], '(');
2849 Colorize(ColorChannel1, FALSE);
2850 curColor = ColorChannel1;
2852 Colorize(ColorChannel, FALSE);
2853 curColor = ColorChannel;
2857 curColor = ColorNormal;
2861 if (started == STARTED_NONE && appData.autoComment &&
2862 (gameMode == IcsObserving ||
2863 gameMode == IcsPlayingWhite ||
2864 gameMode == IcsPlayingBlack)) {
2865 parse_pos = i - oldi;
2866 memcpy(parse, &buf[oldi], parse_pos);
2867 parse[parse_pos] = NULLCHAR;
2868 started = STARTED_COMMENT;
2869 savingComment = TRUE;
2871 started = STARTED_CHATTER;
2872 savingComment = FALSE;
2879 if (looking_at(buf, &i, "* s-shouts: ") ||
2880 looking_at(buf, &i, "* c-shouts: ")) {
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2886 Colorize(ColorSShout, FALSE);
2887 curColor = ColorSShout;
2890 started = STARTED_CHATTER;
2894 if (looking_at(buf, &i, "--->")) {
2899 if (looking_at(buf, &i, "* shouts: ") ||
2900 looking_at(buf, &i, "--> ")) {
2901 if (appData.colorize) {
2902 if (oldi > next_out) {
2903 SendToPlayer(&buf[next_out], oldi - next_out);
2906 Colorize(ColorShout, FALSE);
2907 curColor = ColorShout;
2910 started = STARTED_CHATTER;
2914 if (looking_at( buf, &i, "Challenge:")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorChallenge, FALSE);
2921 curColor = ColorChallenge;
2927 if (looking_at(buf, &i, "* offers you") ||
2928 looking_at(buf, &i, "* offers to be") ||
2929 looking_at(buf, &i, "* would like to") ||
2930 looking_at(buf, &i, "* requests to") ||
2931 looking_at(buf, &i, "Your opponent offers") ||
2932 looking_at(buf, &i, "Your opponent requests")) {
2934 if (appData.colorize) {
2935 if (oldi > next_out) {
2936 SendToPlayer(&buf[next_out], oldi - next_out);
2939 Colorize(ColorRequest, FALSE);
2940 curColor = ColorRequest;
2945 if (looking_at(buf, &i, "* (*) seeking")) {
2946 if (appData.colorize) {
2947 if (oldi > next_out) {
2948 SendToPlayer(&buf[next_out], oldi - next_out);
2951 Colorize(ColorSeek, FALSE);
2952 curColor = ColorSeek;
2957 if (looking_at(buf, &i, "\\ ")) {
2958 if (prevColor != ColorNormal) {
2959 if (oldi > next_out) {
2960 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(prevColor, TRUE);
2964 curColor = prevColor;
2966 if (savingComment) {
2967 parse_pos = i - oldi;
2968 memcpy(parse, &buf[oldi], parse_pos);
2969 parse[parse_pos] = NULLCHAR;
2970 started = STARTED_COMMENT;
2971 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2972 chattingPartner = savingComment - 3; // kludge to remember the box
2974 started = STARTED_CHATTER;
2979 if (looking_at(buf, &i, "Black Strength :") ||
2980 looking_at(buf, &i, "<<< style 10 board >>>") ||
2981 looking_at(buf, &i, "<10>") ||
2982 looking_at(buf, &i, "#@#")) {
2983 /* Wrong board style */
2985 SendToICS(ics_prefix);
2986 SendToICS("set style 12\n");
2987 SendToICS(ics_prefix);
2988 SendToICS("refresh\n");
2992 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2994 have_sent_ICS_logon = 1;
2998 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2999 (looking_at(buf, &i, "\n<12> ") ||
3000 looking_at(buf, &i, "<12> "))) {
3002 if (oldi > next_out) {
3003 SendToPlayer(&buf[next_out], oldi - next_out);
3006 started = STARTED_BOARD;
3011 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3012 looking_at(buf, &i, "<b1> ")) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 started = STARTED_HOLDINGS;
3022 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3024 /* Header for a move list -- first line */
3026 switch (ics_getting_history) {
3030 case BeginningOfGame:
3031 /* User typed "moves" or "oldmoves" while we
3032 were idle. Pretend we asked for these
3033 moves and soak them up so user can step
3034 through them and/or save them.
3037 gameMode = IcsObserving;
3040 ics_getting_history = H_GOT_UNREQ_HEADER;
3042 case EditGame: /*?*/
3043 case EditPosition: /*?*/
3044 /* Should above feature work in these modes too? */
3045 /* For now it doesn't */
3046 ics_getting_history = H_GOT_UNWANTED_HEADER;
3049 ics_getting_history = H_GOT_UNWANTED_HEADER;
3054 /* Is this the right one? */
3055 if (gameInfo.white && gameInfo.black &&
3056 strcmp(gameInfo.white, star_match[0]) == 0 &&
3057 strcmp(gameInfo.black, star_match[2]) == 0) {
3059 ics_getting_history = H_GOT_REQ_HEADER;
3062 case H_GOT_REQ_HEADER:
3063 case H_GOT_UNREQ_HEADER:
3064 case H_GOT_UNWANTED_HEADER:
3065 case H_GETTING_MOVES:
3066 /* Should not happen */
3067 DisplayError(_("Error gathering move list: two headers"), 0);
3068 ics_getting_history = H_FALSE;
3072 /* Save player ratings into gameInfo if needed */
3073 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3074 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3075 (gameInfo.whiteRating == -1 ||
3076 gameInfo.blackRating == -1)) {
3078 gameInfo.whiteRating = string_to_rating(star_match[1]);
3079 gameInfo.blackRating = string_to_rating(star_match[3]);
3080 if (appData.debugMode)
3081 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3082 gameInfo.whiteRating, gameInfo.blackRating);
3087 if (looking_at(buf, &i,
3088 "* * match, initial time: * minute*, increment: * second")) {
3089 /* Header for a move list -- second line */
3090 /* Initial board will follow if this is a wild game */
3091 if (gameInfo.event != NULL) free(gameInfo.event);
3092 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3093 gameInfo.event = StrSave(str);
3094 /* [HGM] we switched variant. Translate boards if needed. */
3095 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3099 if (looking_at(buf, &i, "Move ")) {
3100 /* Beginning of a move list */
3101 switch (ics_getting_history) {
3103 /* Normally should not happen */
3104 /* Maybe user hit reset while we were parsing */
3107 /* Happens if we are ignoring a move list that is not
3108 * the one we just requested. Common if the user
3109 * tries to observe two games without turning off
3112 case H_GETTING_MOVES:
3113 /* Should not happen */
3114 DisplayError(_("Error gathering move list: nested"), 0);
3115 ics_getting_history = H_FALSE;
3117 case H_GOT_REQ_HEADER:
3118 ics_getting_history = H_GETTING_MOVES;
3119 started = STARTED_MOVES;
3121 if (oldi > next_out) {
3122 SendToPlayer(&buf[next_out], oldi - next_out);
3125 case H_GOT_UNREQ_HEADER:
3126 ics_getting_history = H_GETTING_MOVES;
3127 started = STARTED_MOVES_NOHIDE;
3130 case H_GOT_UNWANTED_HEADER:
3131 ics_getting_history = H_FALSE;
3137 if (looking_at(buf, &i, "% ") ||
3138 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3139 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3140 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3141 soughtPending = FALSE;
3145 if(suppressKibitz) next_out = i;
3146 savingComment = FALSE;
3150 case STARTED_MOVES_NOHIDE:
3151 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3152 parse[parse_pos + i - oldi] = NULLCHAR;
3153 ParseGameHistory(parse);
3155 if (appData.zippyPlay && first.initDone) {
3156 FeedMovesToProgram(&first, forwardMostMove);
3157 if (gameMode == IcsPlayingWhite) {
3158 if (WhiteOnMove(forwardMostMove)) {
3159 if (first.sendTime) {
3160 if (first.useColors) {
3161 SendToProgram("black\n", &first);
3163 SendTimeRemaining(&first, TRUE);
3165 if (first.useColors) {
3166 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3168 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3169 first.maybeThinking = TRUE;
3171 if (first.usePlayother) {
3172 if (first.sendTime) {
3173 SendTimeRemaining(&first, TRUE);
3175 SendToProgram("playother\n", &first);
3181 } else if (gameMode == IcsPlayingBlack) {
3182 if (!WhiteOnMove(forwardMostMove)) {
3183 if (first.sendTime) {
3184 if (first.useColors) {
3185 SendToProgram("white\n", &first);
3187 SendTimeRemaining(&first, FALSE);
3189 if (first.useColors) {
3190 SendToProgram("black\n", &first);
3192 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3193 first.maybeThinking = TRUE;
3195 if (first.usePlayother) {
3196 if (first.sendTime) {
3197 SendTimeRemaining(&first, FALSE);
3199 SendToProgram("playother\n", &first);
3208 if (gameMode == IcsObserving && ics_gamenum == -1) {
3209 /* Moves came from oldmoves or moves command
3210 while we weren't doing anything else.
3212 currentMove = forwardMostMove;
3213 ClearHighlights();/*!!could figure this out*/
3214 flipView = appData.flipView;
3215 DrawPosition(TRUE, boards[currentMove]);
3216 DisplayBothClocks();
3217 sprintf(str, "%s vs. %s",
3218 gameInfo.white, gameInfo.black);
3222 /* Moves were history of an active game */
3223 if (gameInfo.resultDetails != NULL) {
3224 free(gameInfo.resultDetails);
3225 gameInfo.resultDetails = NULL;
3228 HistorySet(parseList, backwardMostMove,
3229 forwardMostMove, currentMove-1);
3230 DisplayMove(currentMove - 1);
3231 if (started == STARTED_MOVES) next_out = i;
3232 started = STARTED_NONE;
3233 ics_getting_history = H_FALSE;
3236 case STARTED_OBSERVE:
3237 started = STARTED_NONE;
3238 SendToICS(ics_prefix);
3239 SendToICS("refresh\n");
3245 if(bookHit) { // [HGM] book: simulate book reply
3246 static char bookMove[MSG_SIZ]; // a bit generous?
3248 programStats.nodes = programStats.depth = programStats.time =
3249 programStats.score = programStats.got_only_move = 0;
3250 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3252 strcpy(bookMove, "move ");
3253 strcat(bookMove, bookHit);
3254 HandleMachineMove(bookMove, &first);
3259 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3260 started == STARTED_HOLDINGS ||
3261 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3262 /* Accumulate characters in move list or board */
3263 parse[parse_pos++] = buf[i];
3266 /* Start of game messages. Mostly we detect start of game
3267 when the first board image arrives. On some versions
3268 of the ICS, though, we need to do a "refresh" after starting
3269 to observe in order to get the current board right away. */
3270 if (looking_at(buf, &i, "Adding game * to observation list")) {
3271 started = STARTED_OBSERVE;
3275 /* Handle auto-observe */
3276 if (appData.autoObserve &&
3277 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3278 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3280 /* Choose the player that was highlighted, if any. */
3281 if (star_match[0][0] == '\033' ||
3282 star_match[1][0] != '\033') {
3283 player = star_match[0];
3285 player = star_match[2];
3287 sprintf(str, "%sobserve %s\n",
3288 ics_prefix, StripHighlightAndTitle(player));
3291 /* Save ratings from notify string */
3292 strcpy(player1Name, star_match[0]);
3293 player1Rating = string_to_rating(star_match[1]);
3294 strcpy(player2Name, star_match[2]);
3295 player2Rating = string_to_rating(star_match[3]);
3297 if (appData.debugMode)
3299 "Ratings from 'Game notification:' %s %d, %s %d\n",
3300 player1Name, player1Rating,
3301 player2Name, player2Rating);
3306 /* Deal with automatic examine mode after a game,
3307 and with IcsObserving -> IcsExamining transition */
3308 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3309 looking_at(buf, &i, "has made you an examiner of game *")) {
3311 int gamenum = atoi(star_match[0]);
3312 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3313 gamenum == ics_gamenum) {
3314 /* We were already playing or observing this game;
3315 no need to refetch history */
3316 gameMode = IcsExamining;
3318 pauseExamForwardMostMove = forwardMostMove;
3319 } else if (currentMove < forwardMostMove) {
3320 ForwardInner(forwardMostMove);
3323 /* I don't think this case really can happen */
3324 SendToICS(ics_prefix);
3325 SendToICS("refresh\n");
3330 /* Error messages */
3331 // if (ics_user_moved) {
3332 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3333 if (looking_at(buf, &i, "Illegal move") ||
3334 looking_at(buf, &i, "Not a legal move") ||
3335 looking_at(buf, &i, "Your king is in check") ||
3336 looking_at(buf, &i, "It isn't your turn") ||
3337 looking_at(buf, &i, "It is not your move")) {
3339 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3340 currentMove = forwardMostMove-1;
3341 DisplayMove(currentMove - 1); /* before DMError */
3342 DrawPosition(FALSE, boards[currentMove]);
3343 SwitchClocks(forwardMostMove-1); // [HGM] race
3344 DisplayBothClocks();
3346 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3352 if (looking_at(buf, &i, "still have time") ||
3353 looking_at(buf, &i, "not out of time") ||
3354 looking_at(buf, &i, "either player is out of time") ||
3355 looking_at(buf, &i, "has timeseal; checking")) {
3356 /* We must have called his flag a little too soon */
3357 whiteFlag = blackFlag = FALSE;
3361 if (looking_at(buf, &i, "added * seconds to") ||
3362 looking_at(buf, &i, "seconds were added to")) {
3363 /* Update the clocks */
3364 SendToICS(ics_prefix);
3365 SendToICS("refresh\n");
3369 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3370 ics_clock_paused = TRUE;
3375 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3376 ics_clock_paused = FALSE;
3381 /* Grab player ratings from the Creating: message.
3382 Note we have to check for the special case when
3383 the ICS inserts things like [white] or [black]. */
3384 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3385 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3387 0 player 1 name (not necessarily white)
3389 2 empty, white, or black (IGNORED)
3390 3 player 2 name (not necessarily black)
3393 The names/ratings are sorted out when the game
3394 actually starts (below).
3396 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3397 player1Rating = string_to_rating(star_match[1]);
3398 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3399 player2Rating = string_to_rating(star_match[4]);
3401 if (appData.debugMode)
3403 "Ratings from 'Creating:' %s %d, %s %d\n",
3404 player1Name, player1Rating,
3405 player2Name, player2Rating);
3410 /* Improved generic start/end-of-game messages */
3411 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3412 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3413 /* If tkind == 0: */
3414 /* star_match[0] is the game number */
3415 /* [1] is the white player's name */
3416 /* [2] is the black player's name */
3417 /* For end-of-game: */
3418 /* [3] is the reason for the game end */
3419 /* [4] is a PGN end game-token, preceded by " " */
3420 /* For start-of-game: */
3421 /* [3] begins with "Creating" or "Continuing" */
3422 /* [4] is " *" or empty (don't care). */
3423 int gamenum = atoi(star_match[0]);
3424 char *whitename, *blackname, *why, *endtoken;
3425 ChessMove endtype = (ChessMove) 0;
3428 whitename = star_match[1];
3429 blackname = star_match[2];
3430 why = star_match[3];
3431 endtoken = star_match[4];
3433 whitename = star_match[1];
3434 blackname = star_match[3];
3435 why = star_match[5];
3436 endtoken = star_match[6];
3439 /* Game start messages */
3440 if (strncmp(why, "Creating ", 9) == 0 ||
3441 strncmp(why, "Continuing ", 11) == 0) {
3442 gs_gamenum = gamenum;
3443 strcpy(gs_kind, strchr(why, ' ') + 1);
3444 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3446 if (appData.zippyPlay) {
3447 ZippyGameStart(whitename, blackname);
3453 /* Game end messages */
3454 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3455 ics_gamenum != gamenum) {
3458 while (endtoken[0] == ' ') endtoken++;
3459 switch (endtoken[0]) {
3462 endtype = GameUnfinished;
3465 endtype = BlackWins;
3468 if (endtoken[1] == '/')
3469 endtype = GameIsDrawn;
3471 endtype = WhiteWins;
3474 GameEnds(endtype, why, GE_ICS);
3476 if (appData.zippyPlay && first.initDone) {
3477 ZippyGameEnd(endtype, why);
3478 if (first.pr == NULL) {
3479 /* Start the next process early so that we'll
3480 be ready for the next challenge */
3481 StartChessProgram(&first);
3483 /* Send "new" early, in case this command takes
3484 a long time to finish, so that we'll be ready
3485 for the next challenge. */
3486 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3493 if (looking_at(buf, &i, "Removing game * from observation") ||
3494 looking_at(buf, &i, "no longer observing game *") ||
3495 looking_at(buf, &i, "Game * (*) has no examiners")) {
3496 if (gameMode == IcsObserving &&
3497 atoi(star_match[0]) == ics_gamenum)
3499 /* icsEngineAnalyze */
3500 if (appData.icsEngineAnalyze) {
3507 ics_user_moved = FALSE;
3512 if (looking_at(buf, &i, "no longer examining game *")) {
3513 if (gameMode == IcsExamining &&
3514 atoi(star_match[0]) == ics_gamenum)
3518 ics_user_moved = FALSE;
3523 /* Advance leftover_start past any newlines we find,
3524 so only partial lines can get reparsed */
3525 if (looking_at(buf, &i, "\n")) {
3526 prevColor = curColor;
3527 if (curColor != ColorNormal) {
3528 if (oldi > next_out) {
3529 SendToPlayer(&buf[next_out], oldi - next_out);
3532 Colorize(ColorNormal, FALSE);
3533 curColor = ColorNormal;
3535 if (started == STARTED_BOARD) {
3536 started = STARTED_NONE;
3537 parse[parse_pos] = NULLCHAR;
3538 ParseBoard12(parse);
3541 /* Send premove here */
3542 if (appData.premove) {
3544 if (currentMove == 0 &&
3545 gameMode == IcsPlayingWhite &&
3546 appData.premoveWhite) {
3547 sprintf(str, "%s\n", appData.premoveWhiteText);
3548 if (appData.debugMode)
3549 fprintf(debugFP, "Sending premove:\n");
3551 } else if (currentMove == 1 &&
3552 gameMode == IcsPlayingBlack &&
3553 appData.premoveBlack) {
3554 sprintf(str, "%s\n", appData.premoveBlackText);
3555 if (appData.debugMode)
3556 fprintf(debugFP, "Sending premove:\n");
3558 } else if (gotPremove) {
3560 ClearPremoveHighlights();
3561 if (appData.debugMode)
3562 fprintf(debugFP, "Sending premove:\n");
3563 UserMoveEvent(premoveFromX, premoveFromY,
3564 premoveToX, premoveToY,
3569 /* Usually suppress following prompt */
3570 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3571 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3572 if (looking_at(buf, &i, "*% ")) {
3573 savingComment = FALSE;
3578 } else if (started == STARTED_HOLDINGS) {
3580 char new_piece[MSG_SIZ];
3581 started = STARTED_NONE;
3582 parse[parse_pos] = NULLCHAR;
3583 if (appData.debugMode)
3584 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3585 parse, currentMove);
3586 if (sscanf(parse, " game %d", &gamenum) == 1) {
3587 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3588 if (gameInfo.variant == VariantNormal) {
3589 /* [HGM] We seem to switch variant during a game!
3590 * Presumably no holdings were displayed, so we have
3591 * to move the position two files to the right to
3592 * create room for them!
3594 VariantClass newVariant;
3595 switch(gameInfo.boardWidth) { // base guess on board width
3596 case 9: newVariant = VariantShogi; break;
3597 case 10: newVariant = VariantGreat; break;
3598 default: newVariant = VariantCrazyhouse; break;
3600 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3601 /* Get a move list just to see the header, which
3602 will tell us whether this is really bug or zh */
3603 if (ics_getting_history == H_FALSE) {
3604 ics_getting_history = H_REQUESTED;
3605 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3609 new_piece[0] = NULLCHAR;
3610 sscanf(parse, "game %d white [%s black [%s <- %s",
3611 &gamenum, white_holding, black_holding,
3613 white_holding[strlen(white_holding)-1] = NULLCHAR;
3614 black_holding[strlen(black_holding)-1] = NULLCHAR;
3615 /* [HGM] copy holdings to board holdings area */
3616 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3617 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3618 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3620 if (appData.zippyPlay && first.initDone) {
3621 ZippyHoldings(white_holding, black_holding,
3625 if (tinyLayout || smallLayout) {
3626 char wh[16], bh[16];
3627 PackHolding(wh, white_holding);
3628 PackHolding(bh, black_holding);
3629 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3630 gameInfo.white, gameInfo.black);
3632 sprintf(str, "%s [%s] vs. %s [%s]",
3633 gameInfo.white, white_holding,
3634 gameInfo.black, black_holding);
3637 DrawPosition(FALSE, boards[currentMove]);
3639 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3640 sscanf(parse, "game %d white [%s black [%s <- %s",
3641 &gamenum, white_holding, black_holding,
3643 white_holding[strlen(white_holding)-1] = NULLCHAR;
3644 black_holding[strlen(black_holding)-1] = NULLCHAR;
3645 /* [HGM] copy holdings to partner-board holdings area */
3646 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3647 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3648 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3651 /* Suppress following prompt */
3652 if (looking_at(buf, &i, "*% ")) {
3653 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3654 savingComment = FALSE;
3662 i++; /* skip unparsed character and loop back */
3665 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3666 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3667 // SendToPlayer(&buf[next_out], i - next_out);
3668 started != STARTED_HOLDINGS && leftover_start > next_out) {
3669 SendToPlayer(&buf[next_out], leftover_start - next_out);
3673 leftover_len = buf_len - leftover_start;
3674 /* if buffer ends with something we couldn't parse,
3675 reparse it after appending the next read */
3677 } else if (count == 0) {
3678 RemoveInputSource(isr);
3679 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3681 DisplayFatalError(_("Error reading from ICS"), error, 1);
3686 /* Board style 12 looks like this:
3688 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3690 * The "<12> " is stripped before it gets to this routine. The two
3691 * trailing 0's (flip state and clock ticking) are later addition, and
3692 * some chess servers may not have them, or may have only the first.
3693 * Additional trailing fields may be added in the future.
3696 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3698 #define RELATION_OBSERVING_PLAYED 0
3699 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3700 #define RELATION_PLAYING_MYMOVE 1
3701 #define RELATION_PLAYING_NOTMYMOVE -1
3702 #define RELATION_EXAMINING 2
3703 #define RELATION_ISOLATED_BOARD -3
3704 #define RELATION_STARTING_POSITION -4 /* FICS only */
3707 ParseBoard12(string)
3710 GameMode newGameMode;
3711 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3712 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3713 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3714 char to_play, board_chars[200];
3715 char move_str[500], str[500], elapsed_time[500];
3716 char black[32], white[32];
3718 int prevMove = currentMove;
3721 int fromX, fromY, toX, toY;
3723 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3724 char *bookHit = NULL; // [HGM] book
3725 Boolean weird = FALSE, reqFlag = FALSE;
3727 fromX = fromY = toX = toY = -1;
3731 if (appData.debugMode)
3732 fprintf(debugFP, _("Parsing board: %s\n"), string);
3734 move_str[0] = NULLCHAR;
3735 elapsed_time[0] = NULLCHAR;
3736 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3738 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3739 if(string[i] == ' ') { ranks++; files = 0; }
3741 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3744 for(j = 0; j <i; j++) board_chars[j] = string[j];
3745 board_chars[i] = '\0';
3748 n = sscanf(string, PATTERN, &to_play, &double_push,
3749 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3750 &gamenum, white, black, &relation, &basetime, &increment,
3751 &white_stren, &black_stren, &white_time, &black_time,
3752 &moveNum, str, elapsed_time, move_str, &ics_flip,
3756 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3757 DisplayError(str, 0);
3761 /* Convert the move number to internal form */
3762 moveNum = (moveNum - 1) * 2;
3763 if (to_play == 'B') moveNum++;
3764 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3765 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3771 case RELATION_OBSERVING_PLAYED:
3772 case RELATION_OBSERVING_STATIC:
3773 if (gamenum == -1) {
3774 /* Old ICC buglet */
3775 relation = RELATION_OBSERVING_STATIC;
3777 newGameMode = IcsObserving;
3779 case RELATION_PLAYING_MYMOVE:
3780 case RELATION_PLAYING_NOTMYMOVE:
3782 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3783 IcsPlayingWhite : IcsPlayingBlack;
3785 case RELATION_EXAMINING:
3786 newGameMode = IcsExamining;
3788 case RELATION_ISOLATED_BOARD:
3790 /* Just display this board. If user was doing something else,
3791 we will forget about it until the next board comes. */
3792 newGameMode = IcsIdle;
3794 case RELATION_STARTING_POSITION:
3795 newGameMode = gameMode;
3799 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3800 && newGameMode == IcsObserving && appData.bgObserve) {
3801 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3803 for (k = 0; k < ranks; k++) {
3804 for (j = 0; j < files; j++)
3805 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3806 if(gameInfo.holdingsWidth > 1) {
3807 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3808 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3811 CopyBoard(partnerBoard, board);
3812 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3813 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3814 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3815 DisplayMessage(buf, "");
3819 /* Modify behavior for initial board display on move listing
3822 switch (ics_getting_history) {
3826 case H_GOT_REQ_HEADER:
3827 case H_GOT_UNREQ_HEADER:
3828 /* This is the initial position of the current game */
3829 gamenum = ics_gamenum;
3830 moveNum = 0; /* old ICS bug workaround */
3831 if (to_play == 'B') {
3832 startedFromSetupPosition = TRUE;
3833 blackPlaysFirst = TRUE;
3835 if (forwardMostMove == 0) forwardMostMove = 1;
3836 if (backwardMostMove == 0) backwardMostMove = 1;
3837 if (currentMove == 0) currentMove = 1;
3839 newGameMode = gameMode;
3840 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3842 case H_GOT_UNWANTED_HEADER:
3843 /* This is an initial board that we don't want */
3845 case H_GETTING_MOVES:
3846 /* Should not happen */
3847 DisplayError(_("Error gathering move list: extra board"), 0);
3848 ics_getting_history = H_FALSE;
3852 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3853 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3854 /* [HGM] We seem to have switched variant unexpectedly
3855 * Try to guess new variant from board size
3857 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3858 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3859 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3860 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3861 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3862 if(!weird) newVariant = VariantNormal;
3863 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3864 /* Get a move list just to see the header, which
3865 will tell us whether this is really bug or zh */
3866 if (ics_getting_history == H_FALSE) {
3867 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3868 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3873 /* Take action if this is the first board of a new game, or of a
3874 different game than is currently being displayed. */
3875 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3876 relation == RELATION_ISOLATED_BOARD) {
3878 /* Forget the old game and get the history (if any) of the new one */
3879 if (gameMode != BeginningOfGame) {
3883 if (appData.autoRaiseBoard) BoardToTop();
3885 if (gamenum == -1) {
3886 newGameMode = IcsIdle;
3887 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3888 appData.getMoveList && !reqFlag) {
3889 /* Need to get game history */
3890 ics_getting_history = H_REQUESTED;
3891 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3895 /* Initially flip the board to have black on the bottom if playing
3896 black or if the ICS flip flag is set, but let the user change
3897 it with the Flip View button. */
3898 flipView = appData.autoFlipView ?
3899 (newGameMode == IcsPlayingBlack) || ics_flip :
3902 /* Done with values from previous mode; copy in new ones */
3903 gameMode = newGameMode;
3905 ics_gamenum = gamenum;
3906 if (gamenum == gs_gamenum) {
3907 int klen = strlen(gs_kind);
3908 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3909 sprintf(str, "ICS %s", gs_kind);
3910 gameInfo.event = StrSave(str);
3912 gameInfo.event = StrSave("ICS game");
3914 gameInfo.site = StrSave(appData.icsHost);
3915 gameInfo.date = PGNDate();
3916 gameInfo.round = StrSave("-");
3917 gameInfo.white = StrSave(white);
3918 gameInfo.black = StrSave(black);
3919 timeControl = basetime * 60 * 1000;
3921 timeIncrement = increment * 1000;
3922 movesPerSession = 0;
3923 gameInfo.timeControl = TimeControlTagValue();
3924 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3925 if (appData.debugMode) {
3926 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3927 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3928 setbuf(debugFP, NULL);
3931 gameInfo.outOfBook = NULL;
3933 /* Do we have the ratings? */
3934 if (strcmp(player1Name, white) == 0 &&
3935 strcmp(player2Name, black) == 0) {
3936 if (appData.debugMode)
3937 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3938 player1Rating, player2Rating);
3939 gameInfo.whiteRating = player1Rating;
3940 gameInfo.blackRating = player2Rating;
3941 } else if (strcmp(player2Name, white) == 0 &&
3942 strcmp(player1Name, black) == 0) {
3943 if (appData.debugMode)
3944 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3945 player2Rating, player1Rating);
3946 gameInfo.whiteRating = player2Rating;
3947 gameInfo.blackRating = player1Rating;
3949 player1Name[0] = player2Name[0] = NULLCHAR;
3951 /* Silence shouts if requested */
3952 if (appData.quietPlay &&
3953 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3954 SendToICS(ics_prefix);
3955 SendToICS("set shout 0\n");
3959 /* Deal with midgame name changes */
3961 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3962 if (gameInfo.white) free(gameInfo.white);
3963 gameInfo.white = StrSave(white);
3965 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3966 if (gameInfo.black) free(gameInfo.black);
3967 gameInfo.black = StrSave(black);
3971 /* Throw away game result if anything actually changes in examine mode */
3972 if (gameMode == IcsExamining && !newGame) {
3973 gameInfo.result = GameUnfinished;
3974 if (gameInfo.resultDetails != NULL) {
3975 free(gameInfo.resultDetails);
3976 gameInfo.resultDetails = NULL;
3980 /* In pausing && IcsExamining mode, we ignore boards coming
3981 in if they are in a different variation than we are. */
3982 if (pauseExamInvalid) return;
3983 if (pausing && gameMode == IcsExamining) {
3984 if (moveNum <= pauseExamForwardMostMove) {
3985 pauseExamInvalid = TRUE;
3986 forwardMostMove = pauseExamForwardMostMove;
3991 if (appData.debugMode) {
3992 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3994 /* Parse the board */
3995 for (k = 0; k < ranks; k++) {
3996 for (j = 0; j < files; j++)
3997 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3998 if(gameInfo.holdingsWidth > 1) {
3999 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4000 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4003 CopyBoard(boards[moveNum], board);
4004 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4006 startedFromSetupPosition =
4007 !CompareBoards(board, initialPosition);
4008 if(startedFromSetupPosition)
4009 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4012 /* [HGM] Set castling rights. Take the outermost Rooks,
4013 to make it also work for FRC opening positions. Note that board12
4014 is really defective for later FRC positions, as it has no way to
4015 indicate which Rook can castle if they are on the same side of King.
4016 For the initial position we grant rights to the outermost Rooks,
4017 and remember thos rights, and we then copy them on positions
4018 later in an FRC game. This means WB might not recognize castlings with
4019 Rooks that have moved back to their original position as illegal,
4020 but in ICS mode that is not its job anyway.
4022 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4023 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4025 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4026 if(board[0][i] == WhiteRook) j = i;
4027 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4028 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4029 if(board[0][i] == WhiteRook) j = i;
4030 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4031 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4032 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4033 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4034 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4035 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4036 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4038 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4039 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4040 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4041 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4042 if(board[BOARD_HEIGHT-1][k] == bKing)
4043 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4044 if(gameInfo.variant == VariantTwoKings) {
4045 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4046 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4047 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4050 r = boards[moveNum][CASTLING][0] = initialRights[0];
4051 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4052 r = boards[moveNum][CASTLING][1] = initialRights[1];
4053 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4054 r = boards[moveNum][CASTLING][3] = initialRights[3];
4055 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4056 r = boards[moveNum][CASTLING][4] = initialRights[4];
4057 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4058 /* wildcastle kludge: always assume King has rights */
4059 r = boards[moveNum][CASTLING][2] = initialRights[2];
4060 r = boards[moveNum][CASTLING][5] = initialRights[5];
4062 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4063 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4066 if (ics_getting_history == H_GOT_REQ_HEADER ||
4067 ics_getting_history == H_GOT_UNREQ_HEADER) {
4068 /* This was an initial position from a move list, not
4069 the current position */
4073 /* Update currentMove and known move number limits */
4074 newMove = newGame || moveNum > forwardMostMove;
4077 forwardMostMove = backwardMostMove = currentMove = moveNum;
4078 if (gameMode == IcsExamining && moveNum == 0) {
4079 /* Workaround for ICS limitation: we are not told the wild
4080 type when starting to examine a game. But if we ask for
4081 the move list, the move list header will tell us */
4082 ics_getting_history = H_REQUESTED;
4083 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4086 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4087 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4089 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4090 /* [HGM] applied this also to an engine that is silently watching */
4091 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4092 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4093 gameInfo.variant == currentlyInitializedVariant) {
4094 takeback = forwardMostMove - moveNum;
4095 for (i = 0; i < takeback; i++) {
4096 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4097 SendToProgram("undo\n", &first);
4102 forwardMostMove = moveNum;
4103 if (!pausing || currentMove > forwardMostMove)
4104 currentMove = forwardMostMove;
4106 /* New part of history that is not contiguous with old part */
4107 if (pausing && gameMode == IcsExamining) {
4108 pauseExamInvalid = TRUE;
4109 forwardMostMove = pauseExamForwardMostMove;
4112 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4114 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4115 // [HGM] when we will receive the move list we now request, it will be
4116 // fed to the engine from the first move on. So if the engine is not
4117 // in the initial position now, bring it there.
4118 InitChessProgram(&first, 0);
4121 ics_getting_history = H_REQUESTED;
4122 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4125 forwardMostMove = backwardMostMove = currentMove = moveNum;
4128 /* Update the clocks */
4129 if (strchr(elapsed_time, '.')) {
4131 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4132 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4134 /* Time is in seconds */
4135 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4136 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4141 if (appData.zippyPlay && newGame &&
4142 gameMode != IcsObserving && gameMode != IcsIdle &&
4143 gameMode != IcsExamining)
4144 ZippyFirstBoard(moveNum, basetime, increment);
4147 /* Put the move on the move list, first converting
4148 to canonical algebraic form. */
4150 if (appData.debugMode) {
4151 if (appData.debugMode) { int f = forwardMostMove;
4152 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4153 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4154 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4156 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4157 fprintf(debugFP, "moveNum = %d\n", moveNum);
4158 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4159 setbuf(debugFP, NULL);
4161 if (moveNum <= backwardMostMove) {
4162 /* We don't know what the board looked like before
4164 strcpy(parseList[moveNum - 1], move_str);
4165 strcat(parseList[moveNum - 1], " ");
4166 strcat(parseList[moveNum - 1], elapsed_time);
4167 moveList[moveNum - 1][0] = NULLCHAR;
4168 } else if (strcmp(move_str, "none") == 0) {
4169 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4170 /* Again, we don't know what the board looked like;
4171 this is really the start of the game. */
4172 parseList[moveNum - 1][0] = NULLCHAR;
4173 moveList[moveNum - 1][0] = NULLCHAR;
4174 backwardMostMove = moveNum;
4175 startedFromSetupPosition = TRUE;
4176 fromX = fromY = toX = toY = -1;
4178 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4179 // So we parse the long-algebraic move string in stead of the SAN move
4180 int valid; char buf[MSG_SIZ], *prom;
4182 // str looks something like "Q/a1-a2"; kill the slash
4184 sprintf(buf, "%c%s", str[0], str+2);
4185 else strcpy(buf, str); // might be castling
4186 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4187 strcat(buf, prom); // long move lacks promo specification!
4188 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4189 if(appData.debugMode)
4190 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4191 strcpy(move_str, buf);
4193 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4194 &fromX, &fromY, &toX, &toY, &promoChar)
4195 || ParseOneMove(buf, moveNum - 1, &moveType,
4196 &fromX, &fromY, &toX, &toY, &promoChar);
4197 // end of long SAN patch
4199 (void) CoordsToAlgebraic(boards[moveNum - 1],
4200 PosFlags(moveNum - 1),
4201 fromY, fromX, toY, toX, promoChar,
4202 parseList[moveNum-1]);
4203 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4209 if(gameInfo.variant != VariantShogi)
4210 strcat(parseList[moveNum - 1], "+");
4213 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4214 strcat(parseList[moveNum - 1], "#");
4217 strcat(parseList[moveNum - 1], " ");
4218 strcat(parseList[moveNum - 1], elapsed_time);
4219 /* currentMoveString is set as a side-effect of ParseOneMove */
4220 strcpy(moveList[moveNum - 1], currentMoveString);
4221 strcat(moveList[moveNum - 1], "\n");
4223 /* Move from ICS was illegal!? Punt. */
4224 if (appData.debugMode) {
4225 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4226 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4228 strcpy(parseList[moveNum - 1], move_str);
4229 strcat(parseList[moveNum - 1], " ");
4230 strcat(parseList[moveNum - 1], elapsed_time);
4231 moveList[moveNum - 1][0] = NULLCHAR;
4232 fromX = fromY = toX = toY = -1;
4235 if (appData.debugMode) {
4236 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4237 setbuf(debugFP, NULL);
4241 /* Send move to chess program (BEFORE animating it). */
4242 if (appData.zippyPlay && !newGame && newMove &&
4243 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4245 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4246 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4247 if (moveList[moveNum - 1][0] == NULLCHAR) {
4248 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4250 DisplayError(str, 0);
4252 if (first.sendTime) {
4253 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4255 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4256 if (firstMove && !bookHit) {
4258 if (first.useColors) {
4259 SendToProgram(gameMode == IcsPlayingWhite ?
4261 "black\ngo\n", &first);
4263 SendToProgram("go\n", &first);
4265 first.maybeThinking = TRUE;
4268 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4269 if (moveList[moveNum - 1][0] == NULLCHAR) {
4270 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4271 DisplayError(str, 0);
4273 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4274 SendMoveToProgram(moveNum - 1, &first);
4281 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4282 /* If move comes from a remote source, animate it. If it
4283 isn't remote, it will have already been animated. */
4284 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4285 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4287 if (!pausing && appData.highlightLastMove) {
4288 SetHighlights(fromX, fromY, toX, toY);
4292 /* Start the clocks */
4293 whiteFlag = blackFlag = FALSE;
4294 appData.clockMode = !(basetime == 0 && increment == 0);
4296 ics_clock_paused = TRUE;
4298 } else if (ticking == 1) {
4299 ics_clock_paused = FALSE;
4301 if (gameMode == IcsIdle ||
4302 relation == RELATION_OBSERVING_STATIC ||
4303 relation == RELATION_EXAMINING ||
4305 DisplayBothClocks();
4309 /* Display opponents and material strengths */
4310 if (gameInfo.variant != VariantBughouse &&
4311 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4312 if (tinyLayout || smallLayout) {
4313 if(gameInfo.variant == VariantNormal)
4314 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4315 gameInfo.white, white_stren, gameInfo.black, black_stren,
4316 basetime, increment);
4318 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4319 gameInfo.white, white_stren, gameInfo.black, black_stren,
4320 basetime, increment, (int) gameInfo.variant);
4322 if(gameInfo.variant == VariantNormal)
4323 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4324 gameInfo.white, white_stren, gameInfo.black, black_stren,
4325 basetime, increment);
4327 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4328 gameInfo.white, white_stren, gameInfo.black, black_stren,
4329 basetime, increment, VariantName(gameInfo.variant));
4332 if (appData.debugMode) {
4333 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4338 /* Display the board */
4339 if (!pausing && !appData.noGUI) {
4341 if (appData.premove)
4343 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4344 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4345 ClearPremoveHighlights();
4347 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4348 DrawPosition(j, boards[currentMove]);
4350 DisplayMove(moveNum - 1);
4351 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4352 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4353 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4354 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4358 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4360 if(bookHit) { // [HGM] book: simulate book reply
4361 static char bookMove[MSG_SIZ]; // a bit generous?
4363 programStats.nodes = programStats.depth = programStats.time =
4364 programStats.score = programStats.got_only_move = 0;
4365 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4367 strcpy(bookMove, "move ");
4368 strcat(bookMove, bookHit);
4369 HandleMachineMove(bookMove, &first);
4378 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4379 ics_getting_history = H_REQUESTED;
4380 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4386 AnalysisPeriodicEvent(force)
4389 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4390 && !force) || !appData.periodicUpdates)
4393 /* Send . command to Crafty to collect stats */
4394 SendToProgram(".\n", &first);
4396 /* Don't send another until we get a response (this makes
4397 us stop sending to old Crafty's which don't understand
4398 the "." command (sending illegal cmds resets node count & time,
4399 which looks bad)) */
4400 programStats.ok_to_send = 0;
4403 void ics_update_width(new_width)
4406 ics_printf("set width %d\n", new_width);
4410 SendMoveToProgram(moveNum, cps)
4412 ChessProgramState *cps;
4416 if (cps->useUsermove) {
4417 SendToProgram("usermove ", cps);
4421 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4422 int len = space - parseList[moveNum];
4423 memcpy(buf, parseList[moveNum], len);
4425 buf[len] = NULLCHAR;
4427 sprintf(buf, "%s\n", parseList[moveNum]);
4429 SendToProgram(buf, cps);
4431 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4432 AlphaRank(moveList[moveNum], 4);
4433 SendToProgram(moveList[moveNum], cps);
4434 AlphaRank(moveList[moveNum], 4); // and back
4436 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4437 * the engine. It would be nice to have a better way to identify castle
4439 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4440 && cps->useOOCastle) {
4441 int fromX = moveList[moveNum][0] - AAA;
4442 int fromY = moveList[moveNum][1] - ONE;
4443 int toX = moveList[moveNum][2] - AAA;
4444 int toY = moveList[moveNum][3] - ONE;
4445 if((boards[moveNum][fromY][fromX] == WhiteKing
4446 && boards[moveNum][toY][toX] == WhiteRook)
4447 || (boards[moveNum][fromY][fromX] == BlackKing
4448 && boards[moveNum][toY][toX] == BlackRook)) {
4449 if(toX > fromX) SendToProgram("O-O\n", cps);
4450 else SendToProgram("O-O-O\n", cps);
4452 else SendToProgram(moveList[moveNum], cps);
4454 else SendToProgram(moveList[moveNum], cps);
4455 /* End of additions by Tord */
4458 /* [HGM] setting up the opening has brought engine in force mode! */
4459 /* Send 'go' if we are in a mode where machine should play. */
4460 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4461 (gameMode == TwoMachinesPlay ||
4463 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4465 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4466 SendToProgram("go\n", cps);
4467 if (appData.debugMode) {
4468 fprintf(debugFP, "(extra)\n");
4471 setboardSpoiledMachineBlack = 0;
4475 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4477 int fromX, fromY, toX, toY;
4479 char user_move[MSG_SIZ];
4483 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4484 (int)moveType, fromX, fromY, toX, toY);
4485 DisplayError(user_move + strlen("say "), 0);
4487 case WhiteKingSideCastle:
4488 case BlackKingSideCastle:
4489 case WhiteQueenSideCastleWild:
4490 case BlackQueenSideCastleWild:
4492 case WhiteHSideCastleFR:
4493 case BlackHSideCastleFR:
4495 sprintf(user_move, "o-o\n");
4497 case WhiteQueenSideCastle:
4498 case BlackQueenSideCastle:
4499 case WhiteKingSideCastleWild:
4500 case BlackKingSideCastleWild:
4502 case WhiteASideCastleFR:
4503 case BlackASideCastleFR:
4505 sprintf(user_move, "o-o-o\n");
4507 case WhitePromotionQueen:
4508 case BlackPromotionQueen:
4509 case WhitePromotionRook:
4510 case BlackPromotionRook:
4511 case WhitePromotionBishop:
4512 case BlackPromotionBishop:
4513 case WhitePromotionKnight:
4514 case BlackPromotionKnight:
4515 case WhitePromotionKing:
4516 case BlackPromotionKing:
4517 case WhitePromotionChancellor:
4518 case BlackPromotionChancellor:
4519 case WhitePromotionArchbishop:
4520 case BlackPromotionArchbishop:
4521 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4522 sprintf(user_move, "%c%c%c%c=%c\n",
4523 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4524 PieceToChar(WhiteFerz));
4525 else if(gameInfo.variant == VariantGreat)
4526 sprintf(user_move, "%c%c%c%c=%c\n",
4527 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4528 PieceToChar(WhiteMan));
4530 sprintf(user_move, "%c%c%c%c=%c\n",
4531 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4532 PieceToChar(PromoPiece(moveType)));
4536 sprintf(user_move, "%c@%c%c\n",
4537 ToUpper(PieceToChar((ChessSquare) fromX)),
4538 AAA + toX, ONE + toY);
4541 case WhiteCapturesEnPassant:
4542 case BlackCapturesEnPassant:
4543 case IllegalMove: /* could be a variant we don't quite understand */
4544 sprintf(user_move, "%c%c%c%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4548 SendToICS(user_move);
4549 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4550 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4555 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4556 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4557 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4558 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4559 DisplayError("You cannot do this while you are playing or observing", 0);
4562 if(gameMode != IcsExamining) { // is this ever not the case?
4563 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4565 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4566 sprintf(command, "match %s", ics_handle);
4567 } else { // on FICS we must first go to general examine mode
4568 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4570 if(gameInfo.variant != VariantNormal) {
4571 // try figure out wild number, as xboard names are not always valid on ICS
4572 for(i=1; i<=36; i++) {
4573 sprintf(buf, "wild/%d", i);
4574 if(StringToVariant(buf) == gameInfo.variant) break;
4576 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4577 else if(i == 22) sprintf(buf, "%s fr\n", command);
4578 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4579 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4580 SendToICS(ics_prefix);
4582 if(startedFromSetupPosition || backwardMostMove != 0) {
4583 fen = PositionToFEN(backwardMostMove, NULL);
4584 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4585 sprintf(buf, "loadfen %s\n", fen);
4587 } else { // FICS: everything has to set by separate bsetup commands
4588 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4589 sprintf(buf, "bsetup fen %s\n", fen);
4591 if(!WhiteOnMove(backwardMostMove)) {
4592 SendToICS("bsetup tomove black\n");
4594 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4595 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4597 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4598 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4600 i = boards[backwardMostMove][EP_STATUS];
4601 if(i >= 0) { // set e.p.
4602 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4608 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4609 SendToICS("bsetup done\n"); // switch to normal examining.
4611 for(i = backwardMostMove; i<last; i++) {
4613 sprintf(buf, "%s\n", parseList[i]);
4616 SendToICS(ics_prefix);
4617 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4621 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4626 if (rf == DROP_RANK) {
4627 sprintf(move, "%c@%c%c\n",
4628 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4630 if (promoChar == 'x' || promoChar == NULLCHAR) {
4631 sprintf(move, "%c%c%c%c\n",
4632 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4634 sprintf(move, "%c%c%c%c%c\n",
4635 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4641 ProcessICSInitScript(f)
4646 while (fgets(buf, MSG_SIZ, f)) {
4647 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4654 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4656 AlphaRank(char *move, int n)
4658 // char *p = move, c; int x, y;
4660 if (appData.debugMode) {
4661 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4665 move[2]>='0' && move[2]<='9' &&
4666 move[3]>='a' && move[3]<='x' ) {
4668 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4669 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4671 if(move[0]>='0' && move[0]<='9' &&
4672 move[1]>='a' && move[1]<='x' &&
4673 move[2]>='0' && move[2]<='9' &&
4674 move[3]>='a' && move[3]<='x' ) {
4675 /* input move, Shogi -> normal */
4676 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4677 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4678 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4679 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4682 move[3]>='0' && move[3]<='9' &&
4683 move[2]>='a' && move[2]<='x' ) {
4685 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4686 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4689 move[0]>='a' && move[0]<='x' &&
4690 move[3]>='0' && move[3]<='9' &&
4691 move[2]>='a' && move[2]<='x' ) {
4692 /* output move, normal -> Shogi */
4693 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4694 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4695 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4696 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4697 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4699 if (appData.debugMode) {
4700 fprintf(debugFP, " out = '%s'\n", move);
4704 /* Parser for moves from gnuchess, ICS, or user typein box */
4706 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4709 ChessMove *moveType;
4710 int *fromX, *fromY, *toX, *toY;
4713 if (appData.debugMode) {
4714 fprintf(debugFP, "move to parse: %s\n", move);
4716 *moveType = yylexstr(moveNum, move);
4718 switch (*moveType) {
4719 case WhitePromotionChancellor:
4720 case BlackPromotionChancellor:
4721 case WhitePromotionArchbishop:
4722 case BlackPromotionArchbishop:
4723 case WhitePromotionQueen:
4724 case BlackPromotionQueen:
4725 case WhitePromotionRook:
4726 case BlackPromotionRook:
4727 case WhitePromotionBishop:
4728 case BlackPromotionBishop:
4729 case WhitePromotionKnight:
4730 case BlackPromotionKnight:
4731 case WhitePromotionKing:
4732 case BlackPromotionKing:
4734 case WhiteCapturesEnPassant:
4735 case BlackCapturesEnPassant:
4736 case WhiteKingSideCastle:
4737 case WhiteQueenSideCastle:
4738 case BlackKingSideCastle:
4739 case BlackQueenSideCastle:
4740 case WhiteKingSideCastleWild:
4741 case WhiteQueenSideCastleWild:
4742 case BlackKingSideCastleWild:
4743 case BlackQueenSideCastleWild:
4744 /* Code added by Tord: */
4745 case WhiteHSideCastleFR:
4746 case WhiteASideCastleFR:
4747 case BlackHSideCastleFR:
4748 case BlackASideCastleFR:
4749 /* End of code added by Tord */
4750 case IllegalMove: /* bug or odd chess variant */
4751 *fromX = currentMoveString[0] - AAA;
4752 *fromY = currentMoveString[1] - ONE;
4753 *toX = currentMoveString[2] - AAA;
4754 *toY = currentMoveString[3] - ONE;
4755 *promoChar = currentMoveString[4];
4756 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4757 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4758 if (appData.debugMode) {
4759 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4761 *fromX = *fromY = *toX = *toY = 0;
4764 if (appData.testLegality) {
4765 return (*moveType != IllegalMove);
4767 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4768 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4773 *fromX = *moveType == WhiteDrop ?
4774 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4775 (int) CharToPiece(ToLower(currentMoveString[0]));
4777 *toX = currentMoveString[2] - AAA;
4778 *toY = currentMoveString[3] - ONE;
4779 *promoChar = NULLCHAR;
4783 case ImpossibleMove:
4784 case (ChessMove) 0: /* end of file */
4793 if (appData.debugMode) {
4794 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4797 *fromX = *fromY = *toX = *toY = 0;
4798 *promoChar = NULLCHAR;
4806 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4807 int fromX, fromY, toX, toY; char promoChar;
4812 endPV = forwardMostMove;
4814 while(*pv == ' ') pv++;
4815 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4816 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4817 if(appData.debugMode){
4818 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4820 if(!valid && nr == 0 &&
4821 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4822 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4823 // Hande case where played move is different from leading PV move
4824 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4825 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4826 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4827 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4828 endPV += 2; // if position different, keep this
4829 moveList[endPV-1][0] = fromX + AAA;
4830 moveList[endPV-1][1] = fromY + ONE;
4831 moveList[endPV-1][2] = toX + AAA;
4832 moveList[endPV-1][3] = toY + ONE;
4833 parseList[endPV-1][0] = NULLCHAR;
4834 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4838 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4839 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4841 if(endPV+1 > framePtr) break; // no space, truncate
4844 CopyBoard(boards[endPV], boards[endPV-1]);
4845 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4846 moveList[endPV-1][0] = fromX + AAA;
4847 moveList[endPV-1][1] = fromY + ONE;
4848 moveList[endPV-1][2] = toX + AAA;
4849 moveList[endPV-1][3] = toY + ONE;
4850 parseList[endPV-1][0] = NULLCHAR;
4852 currentMove = endPV;
4853 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4854 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4855 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4856 DrawPosition(TRUE, boards[currentMove]);
4859 static int lastX, lastY;
4862 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4866 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4867 lastX = x; lastY = y;
4868 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4870 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4872 while(buf[index] && buf[index] != '\n') index++;
4874 ParsePV(buf+startPV);
4875 *start = startPV; *end = index-1;
4880 LoadPV(int x, int y)
4881 { // called on right mouse click to load PV
4882 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4883 lastX = x; lastY = y;
4884 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4891 if(endPV < 0) return;
4893 currentMove = forwardMostMove;
4894 ClearPremoveHighlights();
4895 DrawPosition(TRUE, boards[currentMove]);
4899 MovePV(int x, int y, int h)
4900 { // step through PV based on mouse coordinates (called on mouse move)
4901 int margin = h>>3, step = 0;
4903 if(endPV < 0) return;
4904 // we must somehow check if right button is still down (might be released off board!)
4905 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4906 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4907 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4909 lastX = x; lastY = y;
4910 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4911 currentMove += step;
4912 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4913 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4914 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4915 DrawPosition(FALSE, boards[currentMove]);
4919 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4920 // All positions will have equal probability, but the current method will not provide a unique
4921 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4927 int piecesLeft[(int)BlackPawn];
4928 int seed, nrOfShuffles;
4930 void GetPositionNumber()
4931 { // sets global variable seed
4934 seed = appData.defaultFrcPosition;
4935 if(seed < 0) { // randomize based on time for negative FRC position numbers
4936 for(i=0; i<50; i++) seed += random();
4937 seed = random() ^ random() >> 8 ^ random() << 8;
4938 if(seed<0) seed = -seed;
4942 int put(Board board, int pieceType, int rank, int n, int shade)
4943 // put the piece on the (n-1)-th empty squares of the given shade
4947 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4948 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4949 board[rank][i] = (ChessSquare) pieceType;
4950 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4952 piecesLeft[pieceType]--;
4960 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4961 // calculate where the next piece goes, (any empty square), and put it there
4965 i = seed % squaresLeft[shade];
4966 nrOfShuffles *= squaresLeft[shade];
4967 seed /= squaresLeft[shade];
4968 put(board, pieceType, rank, i, shade);
4971 void AddTwoPieces(Board board, int pieceType, int rank)
4972 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4974 int i, n=squaresLeft[ANY], j=n-1, k;
4976 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4977 i = seed % k; // pick one
4980 while(i >= j) i -= j--;
4981 j = n - 1 - j; i += j;
4982 put(board, pieceType, rank, j, ANY);
4983 put(board, pieceType, rank, i, ANY);
4986 void SetUpShuffle(Board board, int number)
4990 GetPositionNumber(); nrOfShuffles = 1;
4992 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4993 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4994 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4996 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4998 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4999 p = (int) board[0][i];
5000 if(p < (int) BlackPawn) piecesLeft[p] ++;
5001 board[0][i] = EmptySquare;
5004 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5005 // shuffles restricted to allow normal castling put KRR first
5006 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5007 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5008 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5009 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5010 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5011 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5012 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5013 put(board, WhiteRook, 0, 0, ANY);
5014 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5017 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5018 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5019 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5020 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5021 while(piecesLeft[p] >= 2) {
5022 AddOnePiece(board, p, 0, LITE);
5023 AddOnePiece(board, p, 0, DARK);
5025 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5028 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5029 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5030 // but we leave King and Rooks for last, to possibly obey FRC restriction
5031 if(p == (int)WhiteRook) continue;
5032 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5033 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5036 // now everything is placed, except perhaps King (Unicorn) and Rooks
5038 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5039 // Last King gets castling rights
5040 while(piecesLeft[(int)WhiteUnicorn]) {
5041 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5042 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5045 while(piecesLeft[(int)WhiteKing]) {
5046 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5047 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5052 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5053 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5056 // Only Rooks can be left; simply place them all
5057 while(piecesLeft[(int)WhiteRook]) {
5058 i = put(board, WhiteRook, 0, 0, ANY);
5059 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5062 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5064 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5067 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5068 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5071 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5074 int SetCharTable( char *table, const char * map )
5075 /* [HGM] moved here from winboard.c because of its general usefulness */
5076 /* Basically a safe strcpy that uses the last character as King */
5078 int result = FALSE; int NrPieces;
5080 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5081 && NrPieces >= 12 && !(NrPieces&1)) {
5082 int i; /* [HGM] Accept even length from 12 to 34 */
5084 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5085 for( i=0; i<NrPieces/2-1; i++ ) {
5087 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5089 table[(int) WhiteKing] = map[NrPieces/2-1];
5090 table[(int) BlackKing] = map[NrPieces-1];
5098 void Prelude(Board board)
5099 { // [HGM] superchess: random selection of exo-pieces
5100 int i, j, k; ChessSquare p;
5101 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5103 GetPositionNumber(); // use FRC position number
5105 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5106 SetCharTable(pieceToChar, appData.pieceToCharTable);
5107 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5108 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5111 j = seed%4; seed /= 4;
5112 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5113 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5114 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5115 j = seed%3 + (seed%3 >= j); seed /= 3;
5116 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5117 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5118 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5119 j = seed%3; seed /= 3;
5120 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5121 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5122 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5123 j = seed%2 + (seed%2 >= j); seed /= 2;
5124 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5125 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5126 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5127 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5128 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5129 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5130 put(board, exoPieces[0], 0, 0, ANY);
5131 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5135 InitPosition(redraw)
5138 ChessSquare (* pieces)[BOARD_FILES];
5139 int i, j, pawnRow, overrule,
5140 oldx = gameInfo.boardWidth,
5141 oldy = gameInfo.boardHeight,
5142 oldh = gameInfo.holdingsWidth,
5143 oldv = gameInfo.variant;
5145 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5147 /* [AS] Initialize pv info list [HGM] and game status */
5149 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5150 pvInfoList[i].depth = 0;
5151 boards[i][EP_STATUS] = EP_NONE;
5152 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5155 initialRulePlies = 0; /* 50-move counter start */
5157 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5158 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5162 /* [HGM] logic here is completely changed. In stead of full positions */
5163 /* the initialized data only consist of the two backranks. The switch */
5164 /* selects which one we will use, which is than copied to the Board */
5165 /* initialPosition, which for the rest is initialized by Pawns and */
5166 /* empty squares. This initial position is then copied to boards[0], */
5167 /* possibly after shuffling, so that it remains available. */
5169 gameInfo.holdingsWidth = 0; /* default board sizes */
5170 gameInfo.boardWidth = 8;
5171 gameInfo.boardHeight = 8;
5172 gameInfo.holdingsSize = 0;
5173 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5174 for(i=0; i<BOARD_FILES-2; i++)
5175 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5176 initialPosition[EP_STATUS] = EP_NONE;
5177 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5179 switch (gameInfo.variant) {
5180 case VariantFischeRandom:
5181 shuffleOpenings = TRUE;
5185 case VariantShatranj:
5186 pieces = ShatranjArray;
5187 nrCastlingRights = 0;
5188 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5191 pieces = makrukArray;
5192 nrCastlingRights = 0;
5193 startedFromSetupPosition = TRUE;
5194 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5196 case VariantTwoKings:
5197 pieces = twoKingsArray;
5199 case VariantCapaRandom:
5200 shuffleOpenings = TRUE;
5201 case VariantCapablanca:
5202 pieces = CapablancaArray;
5203 gameInfo.boardWidth = 10;
5204 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5207 pieces = GothicArray;
5208 gameInfo.boardWidth = 10;
5209 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5212 pieces = JanusArray;
5213 gameInfo.boardWidth = 10;
5214 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5215 nrCastlingRights = 6;
5216 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5217 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5218 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5219 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5220 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5221 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5224 pieces = FalconArray;
5225 gameInfo.boardWidth = 10;
5226 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5228 case VariantXiangqi:
5229 pieces = XiangqiArray;
5230 gameInfo.boardWidth = 9;
5231 gameInfo.boardHeight = 10;
5232 nrCastlingRights = 0;
5233 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5236 pieces = ShogiArray;
5237 gameInfo.boardWidth = 9;
5238 gameInfo.boardHeight = 9;
5239 gameInfo.holdingsSize = 7;
5240 nrCastlingRights = 0;
5241 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5243 case VariantCourier:
5244 pieces = CourierArray;
5245 gameInfo.boardWidth = 12;
5246 nrCastlingRights = 0;
5247 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5249 case VariantKnightmate:
5250 pieces = KnightmateArray;
5251 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5254 pieces = fairyArray;
5255 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5258 pieces = GreatArray;
5259 gameInfo.boardWidth = 10;
5260 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5261 gameInfo.holdingsSize = 8;
5265 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5266 gameInfo.holdingsSize = 8;
5267 startedFromSetupPosition = TRUE;
5269 case VariantCrazyhouse:
5270 case VariantBughouse:
5272 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5273 gameInfo.holdingsSize = 5;
5275 case VariantWildCastle:
5277 /* !!?shuffle with kings guaranteed to be on d or e file */
5278 shuffleOpenings = 1;
5280 case VariantNoCastle:
5282 nrCastlingRights = 0;
5283 /* !!?unconstrained back-rank shuffle */
5284 shuffleOpenings = 1;
5289 if(appData.NrFiles >= 0) {
5290 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5291 gameInfo.boardWidth = appData.NrFiles;
5293 if(appData.NrRanks >= 0) {
5294 gameInfo.boardHeight = appData.NrRanks;
5296 if(appData.holdingsSize >= 0) {
5297 i = appData.holdingsSize;
5298 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5299 gameInfo.holdingsSize = i;
5301 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5302 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5303 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5305 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5306 if(pawnRow < 1) pawnRow = 1;
5307 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5309 /* User pieceToChar list overrules defaults */
5310 if(appData.pieceToCharTable != NULL)
5311 SetCharTable(pieceToChar, appData.pieceToCharTable);
5313 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5315 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5316 s = (ChessSquare) 0; /* account holding counts in guard band */
5317 for( i=0; i<BOARD_HEIGHT; i++ )
5318 initialPosition[i][j] = s;
5320 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5321 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5322 initialPosition[pawnRow][j] = WhitePawn;
5323 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5324 if(gameInfo.variant == VariantXiangqi) {
5326 initialPosition[pawnRow][j] =
5327 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5328 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5329 initialPosition[2][j] = WhiteCannon;
5330 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5334 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5336 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5339 initialPosition[1][j] = WhiteBishop;
5340 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5342 initialPosition[1][j] = WhiteRook;
5343 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5346 if( nrCastlingRights == -1) {
5347 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5348 /* This sets default castling rights from none to normal corners */
5349 /* Variants with other castling rights must set them themselves above */
5350 nrCastlingRights = 6;
5352 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5353 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5354 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5355 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5356 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5357 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5360 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5361 if(gameInfo.variant == VariantGreat) { // promotion commoners
5362 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5363 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5364 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5365 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5367 if (appData.debugMode) {
5368 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5370 if(shuffleOpenings) {
5371 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5372 startedFromSetupPosition = TRUE;
5374 if(startedFromPositionFile) {
5375 /* [HGM] loadPos: use PositionFile for every new game */
5376 CopyBoard(initialPosition, filePosition);
5377 for(i=0; i<nrCastlingRights; i++)
5378 initialRights[i] = filePosition[CASTLING][i];
5379 startedFromSetupPosition = TRUE;
5382 CopyBoard(boards[0], initialPosition);
5384 if(oldx != gameInfo.boardWidth ||
5385 oldy != gameInfo.boardHeight ||
5386 oldh != gameInfo.holdingsWidth
5388 || oldv == VariantGothic || // For licensing popups
5389 gameInfo.variant == VariantGothic
5392 || oldv == VariantFalcon ||
5393 gameInfo.variant == VariantFalcon
5396 InitDrawingSizes(-2 ,0);
5399 DrawPosition(TRUE, boards[currentMove]);
5403 SendBoard(cps, moveNum)
5404 ChessProgramState *cps;
5407 char message[MSG_SIZ];
5409 if (cps->useSetboard) {
5410 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5411 sprintf(message, "setboard %s\n", fen);
5412 SendToProgram(message, cps);
5418 /* Kludge to set black to move, avoiding the troublesome and now
5419 * deprecated "black" command.
5421 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5423 SendToProgram("edit\n", cps);
5424 SendToProgram("#\n", cps);
5425 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5426 bp = &boards[moveNum][i][BOARD_LEFT];
5427 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5428 if ((int) *bp < (int) BlackPawn) {
5429 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5431 if(message[0] == '+' || message[0] == '~') {
5432 sprintf(message, "%c%c%c+\n",
5433 PieceToChar((ChessSquare)(DEMOTED *bp)),
5436 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5437 message[1] = BOARD_RGHT - 1 - j + '1';
5438 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5440 SendToProgram(message, cps);
5445 SendToProgram("c\n", cps);
5446 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5447 bp = &boards[moveNum][i][BOARD_LEFT];
5448 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5449 if (((int) *bp != (int) EmptySquare)
5450 && ((int) *bp >= (int) BlackPawn)) {
5451 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5453 if(message[0] == '+' || message[0] == '~') {
5454 sprintf(message, "%c%c%c+\n",
5455 PieceToChar((ChessSquare)(DEMOTED *bp)),
5458 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5459 message[1] = BOARD_RGHT - 1 - j + '1';
5460 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5462 SendToProgram(message, cps);
5467 SendToProgram(".\n", cps);
5469 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5472 static int autoQueen; // [HGM] oneclick
5475 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5477 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5478 /* [HGM] add Shogi promotions */
5479 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5484 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5485 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5487 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5488 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5491 piece = boards[currentMove][fromY][fromX];
5492 if(gameInfo.variant == VariantShogi) {
5493 promotionZoneSize = 3;
5494 highestPromotingPiece = (int)WhiteFerz;
5495 } else if(gameInfo.variant == VariantMakruk) {
5496 promotionZoneSize = 3;
5499 // next weed out all moves that do not touch the promotion zone at all
5500 if((int)piece >= BlackPawn) {
5501 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5503 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5505 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5506 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5509 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5511 // weed out mandatory Shogi promotions
5512 if(gameInfo.variant == VariantShogi) {
5513 if(piece >= BlackPawn) {
5514 if(toY == 0 && piece == BlackPawn ||
5515 toY == 0 && piece == BlackQueen ||
5516 toY <= 1 && piece == BlackKnight) {
5521 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5522 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5523 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5530 // weed out obviously illegal Pawn moves
5531 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5532 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5533 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5534 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5535 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5536 // note we are not allowed to test for valid (non-)capture, due to premove
5539 // we either have a choice what to promote to, or (in Shogi) whether to promote
5540 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5541 *promoChoice = PieceToChar(BlackFerz); // no choice
5544 if(autoQueen) { // predetermined
5545 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5546 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5547 else *promoChoice = PieceToChar(BlackQueen);
5551 // suppress promotion popup on illegal moves that are not premoves
5552 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5553 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5554 if(appData.testLegality && !premove) {
5555 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5556 fromY, fromX, toY, toX, NULLCHAR);
5557 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5558 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5566 InPalace(row, column)
5568 { /* [HGM] for Xiangqi */
5569 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5570 column < (BOARD_WIDTH + 4)/2 &&
5571 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5576 PieceForSquare (x, y)
5580 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5583 return boards[currentMove][y][x];
5587 OKToStartUserMove(x, y)
5590 ChessSquare from_piece;
5593 if (matchMode) return FALSE;
5594 if (gameMode == EditPosition) return TRUE;
5596 if (x >= 0 && y >= 0)
5597 from_piece = boards[currentMove][y][x];
5599 from_piece = EmptySquare;
5601 if (from_piece == EmptySquare) return FALSE;
5603 white_piece = (int)from_piece >= (int)WhitePawn &&
5604 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5607 case PlayFromGameFile:
5609 case TwoMachinesPlay:
5617 case MachinePlaysWhite:
5618 case IcsPlayingBlack:
5619 if (appData.zippyPlay) return FALSE;
5621 DisplayMoveError(_("You are playing Black"));
5626 case MachinePlaysBlack:
5627 case IcsPlayingWhite:
5628 if (appData.zippyPlay) return FALSE;
5630 DisplayMoveError(_("You are playing White"));
5636 if (!white_piece && WhiteOnMove(currentMove)) {
5637 DisplayMoveError(_("It is White's turn"));
5640 if (white_piece && !WhiteOnMove(currentMove)) {
5641 DisplayMoveError(_("It is Black's turn"));
5644 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5645 /* Editing correspondence game history */
5646 /* Could disallow this or prompt for confirmation */
5651 case BeginningOfGame:
5652 if (appData.icsActive) return FALSE;
5653 if (!appData.noChessProgram) {
5655 DisplayMoveError(_("You are playing White"));
5662 if (!white_piece && WhiteOnMove(currentMove)) {
5663 DisplayMoveError(_("It is White's turn"));
5666 if (white_piece && !WhiteOnMove(currentMove)) {
5667 DisplayMoveError(_("It is Black's turn"));
5676 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5677 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5678 && gameMode != AnalyzeFile && gameMode != Training) {
5679 DisplayMoveError(_("Displayed position is not current"));
5686 OnlyMove(int *x, int *y, Boolean captures) {
5687 DisambiguateClosure cl;
5688 if (appData.zippyPlay) return FALSE;
5690 case MachinePlaysBlack:
5691 case IcsPlayingWhite:
5692 case BeginningOfGame:
5693 if(!WhiteOnMove(currentMove)) return FALSE;
5695 case MachinePlaysWhite:
5696 case IcsPlayingBlack:
5697 if(WhiteOnMove(currentMove)) return FALSE;
5702 cl.pieceIn = EmptySquare;
5707 cl.promoCharIn = NULLCHAR;
5708 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5709 if( cl.kind == NormalMove ||
5710 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5711 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5712 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5713 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5720 if(cl.kind != ImpossibleMove) return FALSE;
5721 cl.pieceIn = EmptySquare;
5726 cl.promoCharIn = NULLCHAR;
5727 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5728 if( cl.kind == NormalMove ||
5729 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5730 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5731 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5732 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5737 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5743 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5744 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5745 int lastLoadGameUseList = FALSE;
5746 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5747 ChessMove lastLoadGameStart = (ChessMove) 0;
5750 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5751 int fromX, fromY, toX, toY;
5756 ChessSquare pdown, pup;
5758 /* Check if the user is playing in turn. This is complicated because we
5759 let the user "pick up" a piece before it is his turn. So the piece he
5760 tried to pick up may have been captured by the time he puts it down!
5761 Therefore we use the color the user is supposed to be playing in this
5762 test, not the color of the piece that is currently on the starting
5763 square---except in EditGame mode, where the user is playing both
5764 sides; fortunately there the capture race can't happen. (It can
5765 now happen in IcsExamining mode, but that's just too bad. The user
5766 will get a somewhat confusing message in that case.)
5770 case PlayFromGameFile:
5772 case TwoMachinesPlay:
5776 /* We switched into a game mode where moves are not accepted,
5777 perhaps while the mouse button was down. */
5778 return ImpossibleMove;
5780 case MachinePlaysWhite:
5781 /* User is moving for Black */
5782 if (WhiteOnMove(currentMove)) {
5783 DisplayMoveError(_("It is White's turn"));
5784 return ImpossibleMove;
5788 case MachinePlaysBlack:
5789 /* User is moving for White */
5790 if (!WhiteOnMove(currentMove)) {
5791 DisplayMoveError(_("It is Black's turn"));
5792 return ImpossibleMove;
5798 case BeginningOfGame:
5801 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5802 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5803 /* User is moving for Black */
5804 if (WhiteOnMove(currentMove)) {
5805 DisplayMoveError(_("It is White's turn"));
5806 return ImpossibleMove;
5809 /* User is moving for White */
5810 if (!WhiteOnMove(currentMove)) {
5811 DisplayMoveError(_("It is Black's turn"));
5812 return ImpossibleMove;
5817 case IcsPlayingBlack:
5818 /* User is moving for Black */
5819 if (WhiteOnMove(currentMove)) {
5820 if (!appData.premove) {
5821 DisplayMoveError(_("It is White's turn"));
5822 } else if (toX >= 0 && toY >= 0) {
5825 premoveFromX = fromX;
5826 premoveFromY = fromY;
5827 premovePromoChar = promoChar;
5829 if (appData.debugMode)
5830 fprintf(debugFP, "Got premove: fromX %d,"
5831 "fromY %d, toX %d, toY %d\n",
5832 fromX, fromY, toX, toY);
5834 return ImpossibleMove;
5838 case IcsPlayingWhite:
5839 /* User is moving for White */
5840 if (!WhiteOnMove(currentMove)) {
5841 if (!appData.premove) {
5842 DisplayMoveError(_("It is Black's turn"));
5843 } else if (toX >= 0 && toY >= 0) {
5846 premoveFromX = fromX;
5847 premoveFromY = fromY;
5848 premovePromoChar = promoChar;
5850 if (appData.debugMode)
5851 fprintf(debugFP, "Got premove: fromX %d,"
5852 "fromY %d, toX %d, toY %d\n",
5853 fromX, fromY, toX, toY);
5855 return ImpossibleMove;
5863 /* EditPosition, empty square, or different color piece;
5864 click-click move is possible */
5865 if (toX == -2 || toY == -2) {
5866 boards[0][fromY][fromX] = EmptySquare;
5867 return AmbiguousMove;
5868 } else if (toX >= 0 && toY >= 0) {
5869 boards[0][toY][toX] = boards[0][fromY][fromX];
5870 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5871 if(boards[0][fromY][0] != EmptySquare) {
5872 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5873 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5876 if(fromX == BOARD_RGHT+1) {
5877 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5878 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5879 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5882 boards[0][fromY][fromX] = EmptySquare;
5883 return AmbiguousMove;
5885 return ImpossibleMove;
5888 if(toX < 0 || toY < 0) return ImpossibleMove;
5889 pdown = boards[currentMove][fromY][fromX];
5890 pup = boards[currentMove][toY][toX];
5892 /* [HGM] If move started in holdings, it means a drop */
5893 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5894 if( pup != EmptySquare ) return ImpossibleMove;
5895 if(appData.testLegality) {
5896 /* it would be more logical if LegalityTest() also figured out
5897 * which drops are legal. For now we forbid pawns on back rank.
5898 * Shogi is on its own here...
5900 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5901 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5902 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5904 return WhiteDrop; /* Not needed to specify white or black yet */
5907 /* [HGM] always test for legality, to get promotion info */
5908 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5909 fromY, fromX, toY, toX, promoChar);
5910 /* [HGM] but possibly ignore an IllegalMove result */
5911 if (appData.testLegality) {
5912 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5913 DisplayMoveError(_("Illegal move"));
5914 return ImpossibleMove;
5919 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5920 function is made into one that returns an OK move type if FinishMove
5921 should be called. This to give the calling driver routine the
5922 opportunity to finish the userMove input with a promotion popup,
5923 without bothering the user with this for invalid or illegal moves */
5925 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5928 /* Common tail of UserMoveEvent and DropMenuEvent */
5930 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5932 int fromX, fromY, toX, toY;
5933 /*char*/int promoChar;
5937 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5938 // [HGM] superchess: suppress promotions to non-available piece
5939 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5940 if(WhiteOnMove(currentMove)) {
5941 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5943 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5947 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5948 move type in caller when we know the move is a legal promotion */
5949 if(moveType == NormalMove && promoChar)
5950 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5952 /* [HGM] convert drag-and-drop piece drops to standard form */
5953 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5954 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5955 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5956 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5957 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5958 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5959 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5960 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5964 /* [HGM] <popupFix> The following if has been moved here from
5965 UserMoveEvent(). Because it seemed to belong here (why not allow
5966 piece drops in training games?), and because it can only be
5967 performed after it is known to what we promote. */
5968 if (gameMode == Training) {
5969 /* compare the move played on the board to the next move in the
5970 * game. If they match, display the move and the opponent's response.
5971 * If they don't match, display an error message.
5975 CopyBoard(testBoard, boards[currentMove]);
5976 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5978 if (CompareBoards(testBoard, boards[currentMove+1])) {
5979 ForwardInner(currentMove+1);
5981 /* Autoplay the opponent's response.
5982 * if appData.animate was TRUE when Training mode was entered,
5983 * the response will be animated.
5985 saveAnimate = appData.animate;
5986 appData.animate = animateTraining;
5987 ForwardInner(currentMove+1);
5988 appData.animate = saveAnimate;
5990 /* check for the end of the game */
5991 if (currentMove >= forwardMostMove) {
5992 gameMode = PlayFromGameFile;
5994 SetTrainingModeOff();
5995 DisplayInformation(_("End of game"));
5998 DisplayError(_("Incorrect move"), 0);
6003 /* Ok, now we know that the move is good, so we can kill
6004 the previous line in Analysis Mode */
6005 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6006 && currentMove < forwardMostMove) {
6007 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6010 /* If we need the chess program but it's dead, restart it */
6011 ResurrectChessProgram();
6013 /* A user move restarts a paused game*/
6017 thinkOutput[0] = NULLCHAR;
6019 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6021 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6023 if (gameMode == BeginningOfGame) {
6024 if (appData.noChessProgram) {
6025 gameMode = EditGame;
6029 gameMode = MachinePlaysBlack;
6032 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6034 if (first.sendName) {
6035 sprintf(buf, "name %s\n", gameInfo.white);
6036 SendToProgram(buf, &first);
6043 /* Relay move to ICS or chess engine */
6044 if (appData.icsActive) {
6045 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6046 gameMode == IcsExamining) {
6047 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6048 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6050 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6052 // also send plain move, in case ICS does not understand atomic claims
6053 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6057 if (first.sendTime && (gameMode == BeginningOfGame ||
6058 gameMode == MachinePlaysWhite ||
6059 gameMode == MachinePlaysBlack)) {
6060 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6062 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6063 // [HGM] book: if program might be playing, let it use book
6064 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6065 first.maybeThinking = TRUE;
6066 } else SendMoveToProgram(forwardMostMove-1, &first);
6067 if (currentMove == cmailOldMove + 1) {
6068 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6076 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6082 if (WhiteOnMove(currentMove)) {
6083 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6085 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6089 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6094 case MachinePlaysBlack:
6095 case MachinePlaysWhite:
6096 /* disable certain menu options while machine is thinking */
6097 SetMachineThinkingEnables();
6104 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6106 if(bookHit) { // [HGM] book: simulate book reply
6107 static char bookMove[MSG_SIZ]; // a bit generous?
6109 programStats.nodes = programStats.depth = programStats.time =
6110 programStats.score = programStats.got_only_move = 0;
6111 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6113 strcpy(bookMove, "move ");
6114 strcat(bookMove, bookHit);
6115 HandleMachineMove(bookMove, &first);
6121 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6122 int fromX, fromY, toX, toY;
6125 /* [HGM] This routine was added to allow calling of its two logical
6126 parts from other modules in the old way. Before, UserMoveEvent()
6127 automatically called FinishMove() if the move was OK, and returned
6128 otherwise. I separated the two, in order to make it possible to
6129 slip a promotion popup in between. But that it always needs two
6130 calls, to the first part, (now called UserMoveTest() ), and to
6131 FinishMove if the first part succeeded. Calls that do not need
6132 to do anything in between, can call this routine the old way.
6134 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6135 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6136 if(moveType == AmbiguousMove)
6137 DrawPosition(FALSE, boards[currentMove]);
6138 else if(moveType != ImpossibleMove && moveType != Comment)
6139 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6143 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6150 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6151 Markers *m = (Markers *) closure;
6152 if(rf == fromY && ff == fromX)
6153 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6154 || kind == WhiteCapturesEnPassant
6155 || kind == BlackCapturesEnPassant);
6156 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6160 MarkTargetSquares(int clear)
6163 if(!appData.markers || !appData.highlightDragging ||
6164 !appData.testLegality || gameMode == EditPosition) return;
6166 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6169 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6170 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6171 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6173 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6176 DrawPosition(TRUE, NULL);
6179 void LeftClick(ClickType clickType, int xPix, int yPix)
6182 Boolean saveAnimate;
6183 static int second = 0, promotionChoice = 0;
6184 char promoChoice = NULLCHAR;
6186 if(appData.seekGraph && appData.icsActive && loggedOn &&
6187 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6188 SeekGraphClick(clickType, xPix, yPix, 0);
6192 if (clickType == Press) ErrorPopDown();
6193 MarkTargetSquares(1);
6195 x = EventToSquare(xPix, BOARD_WIDTH);
6196 y = EventToSquare(yPix, BOARD_HEIGHT);
6197 if (!flipView && y >= 0) {
6198 y = BOARD_HEIGHT - 1 - y;
6200 if (flipView && x >= 0) {
6201 x = BOARD_WIDTH - 1 - x;
6204 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6205 if(clickType == Release) return; // ignore upclick of click-click destination
6206 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6207 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6208 if(gameInfo.holdingsWidth &&
6209 (WhiteOnMove(currentMove)
6210 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6211 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6212 // click in right holdings, for determining promotion piece
6213 ChessSquare p = boards[currentMove][y][x];
6214 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6215 if(p != EmptySquare) {
6216 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6221 DrawPosition(FALSE, boards[currentMove]);
6225 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6226 if(clickType == Press
6227 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6228 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6229 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6232 autoQueen = appData.alwaysPromoteToQueen;
6235 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6236 if (clickType == Press) {
6238 if (OKToStartUserMove(x, y)) {
6242 MarkTargetSquares(0);
6243 DragPieceBegin(xPix, yPix);
6244 if (appData.highlightDragging) {
6245 SetHighlights(x, y, -1, -1);
6254 if (clickType == Press && gameMode != EditPosition) {
6259 // ignore off-board to clicks
6260 if(y < 0 || x < 0) return;
6262 /* Check if clicking again on the same color piece */
6263 fromP = boards[currentMove][fromY][fromX];
6264 toP = boards[currentMove][y][x];
6265 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6266 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6267 WhitePawn <= toP && toP <= WhiteKing &&
6268 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6269 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6270 (BlackPawn <= fromP && fromP <= BlackKing &&
6271 BlackPawn <= toP && toP <= BlackKing &&
6272 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6273 !(fromP == BlackKing && toP == BlackRook && frc))) {
6274 /* Clicked again on same color piece -- changed his mind */
6275 second = (x == fromX && y == fromY);
6276 if(!second || !OnlyMove(&x, &y, TRUE)) {
6277 if (appData.highlightDragging) {
6278 SetHighlights(x, y, -1, -1);
6282 if (OKToStartUserMove(x, y)) {
6285 MarkTargetSquares(0);
6286 DragPieceBegin(xPix, yPix);
6291 // ignore clicks on holdings
6292 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6295 if (clickType == Release && x == fromX && y == fromY) {
6296 DragPieceEnd(xPix, yPix);
6297 if (appData.animateDragging) {
6298 /* Undo animation damage if any */
6299 DrawPosition(FALSE, NULL);
6302 /* Second up/down in same square; just abort move */
6307 ClearPremoveHighlights();
6309 /* First upclick in same square; start click-click mode */
6310 SetHighlights(x, y, -1, -1);
6315 /* we now have a different from- and (possibly off-board) to-square */
6316 /* Completed move */
6319 saveAnimate = appData.animate;
6320 if (clickType == Press) {
6321 /* Finish clickclick move */
6322 if (appData.animate || appData.highlightLastMove) {
6323 SetHighlights(fromX, fromY, toX, toY);
6328 /* Finish drag move */
6329 if (appData.highlightLastMove) {
6330 SetHighlights(fromX, fromY, toX, toY);
6334 DragPieceEnd(xPix, yPix);
6335 /* Don't animate move and drag both */
6336 appData.animate = FALSE;
6339 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6340 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6341 ChessSquare piece = boards[currentMove][fromY][fromX];
6342 if(gameMode == EditPosition && piece != EmptySquare &&
6343 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6346 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6347 n = PieceToNumber(piece - (int)BlackPawn);
6348 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6349 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6350 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6352 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6353 n = PieceToNumber(piece);
6354 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6355 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6356 boards[currentMove][n][BOARD_WIDTH-2]++;
6358 boards[currentMove][fromY][fromX] = EmptySquare;
6362 DrawPosition(TRUE, boards[currentMove]);
6366 // off-board moves should not be highlighted
6367 if(x < 0 || x < 0) ClearHighlights();
6369 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6370 SetHighlights(fromX, fromY, toX, toY);
6371 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6372 // [HGM] super: promotion to captured piece selected from holdings
6373 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6374 promotionChoice = TRUE;
6375 // kludge follows to temporarily execute move on display, without promoting yet
6376 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6377 boards[currentMove][toY][toX] = p;
6378 DrawPosition(FALSE, boards[currentMove]);
6379 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6380 boards[currentMove][toY][toX] = q;
6381 DisplayMessage("Click in holdings to choose piece", "");
6386 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6387 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6388 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6391 appData.animate = saveAnimate;
6392 if (appData.animate || appData.animateDragging) {
6393 /* Undo animation damage if needed */
6394 DrawPosition(FALSE, NULL);
6398 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6399 { // front-end-free part taken out of PieceMenuPopup
6400 int whichMenu; int xSqr, ySqr;
6402 if(seekGraphUp) { // [HGM] seekgraph
6403 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6404 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6408 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6409 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6410 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6411 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6415 xSqr = EventToSquare(x, BOARD_WIDTH);
6416 ySqr = EventToSquare(y, BOARD_HEIGHT);
6417 if (action == Release) UnLoadPV(); // [HGM] pv
6418 if (action != Press) return -2; // return code to be ignored
6421 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6423 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6424 if (xSqr < 0 || ySqr < 0) return -1;
\r
6425 whichMenu = 0; // edit-position menu
6428 if(!appData.icsEngineAnalyze) return -1;
6429 case IcsPlayingWhite:
6430 case IcsPlayingBlack:
6431 if(!appData.zippyPlay) goto noZip;
6434 case MachinePlaysWhite:
6435 case MachinePlaysBlack:
6436 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6437 if (!appData.dropMenu) {
6439 return 2; // flag front-end to grab mouse events
6441 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6442 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6445 if (xSqr < 0 || ySqr < 0) return -1;
6446 if (!appData.dropMenu || appData.testLegality &&
6447 gameInfo.variant != VariantBughouse &&
6448 gameInfo.variant != VariantCrazyhouse) return -1;
6449 whichMenu = 1; // drop menu
6455 if (((*fromX = xSqr) < 0) ||
6456 ((*fromY = ySqr) < 0)) {
6457 *fromX = *fromY = -1;
6461 *fromX = BOARD_WIDTH - 1 - *fromX;
6463 *fromY = BOARD_HEIGHT - 1 - *fromY;
6468 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6470 // char * hint = lastHint;
6471 FrontEndProgramStats stats;
6473 stats.which = cps == &first ? 0 : 1;
6474 stats.depth = cpstats->depth;
6475 stats.nodes = cpstats->nodes;
6476 stats.score = cpstats->score;
6477 stats.time = cpstats->time;
6478 stats.pv = cpstats->movelist;
6479 stats.hint = lastHint;
6480 stats.an_move_index = 0;
6481 stats.an_move_count = 0;
6483 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6484 stats.hint = cpstats->move_name;
6485 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6486 stats.an_move_count = cpstats->nr_moves;
6489 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6491 SetProgramStats( &stats );
6495 Adjudicate(ChessProgramState *cps)
6496 { // [HGM] some adjudications useful with buggy engines
6497 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6498 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6499 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6500 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6501 int k, count = 0; static int bare = 1;
6502 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6503 Boolean canAdjudicate = !appData.icsActive;
6505 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6506 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6507 if( appData.testLegality )
6508 { /* [HGM] Some more adjudications for obstinate engines */
6509 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6510 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6511 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6512 static int moveCount = 6;
6514 char *reason = NULL;
6516 /* Count what is on board. */
6517 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6518 { ChessSquare p = boards[forwardMostMove][i][j];
6522 { /* count B,N,R and other of each side */
6525 NrK++; break; // [HGM] atomic: count Kings
6529 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6530 bishopsColor |= 1 << ((i^j)&1);
6535 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6536 bishopsColor |= 1 << ((i^j)&1);
6551 PawnAdvance += m; NrPawns++;
6553 NrPieces += (p != EmptySquare);
6554 NrW += ((int)p < (int)BlackPawn);
6555 if(gameInfo.variant == VariantXiangqi &&
6556 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6557 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6558 NrW -= ((int)p < (int)BlackPawn);
6562 /* Some material-based adjudications that have to be made before stalemate test */
6563 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6564 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6565 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6566 if(canAdjudicate && appData.checkMates) {
6568 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6569 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6570 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6571 "Xboard adjudication: King destroyed", GE_XBOARD );
6576 /* Bare King in Shatranj (loses) or Losers (wins) */
6577 if( NrW == 1 || NrPieces - NrW == 1) {
6578 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6579 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6580 if(canAdjudicate && appData.checkMates) {
6582 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6583 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6584 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6585 "Xboard adjudication: Bare king", GE_XBOARD );
6589 if( gameInfo.variant == VariantShatranj && --bare < 0)
6591 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6592 if(canAdjudicate && appData.checkMates) {
6593 /* but only adjudicate if adjudication enabled */
6595 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6596 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6597 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6598 "Xboard adjudication: Bare king", GE_XBOARD );
6605 // don't wait for engine to announce game end if we can judge ourselves
6606 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6608 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6609 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6610 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6611 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6614 reason = "Xboard adjudication: 3rd check";
6615 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6625 reason = "Xboard adjudication: Stalemate";
6626 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6627 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6628 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6629 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6630 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6631 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6632 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6633 EP_CHECKMATE : EP_WINS);
6634 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6635 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6639 reason = "Xboard adjudication: Checkmate";
6640 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6644 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6646 result = GameIsDrawn; break;
6648 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6650 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6652 result = (ChessMove) 0;
6654 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6656 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6657 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6658 GameEnds( result, reason, GE_XBOARD );
6662 /* Next absolutely insufficient mating material. */
6663 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6664 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6665 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6666 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6667 { /* KBK, KNK, KK of KBKB with like Bishops */
6669 /* always flag draws, for judging claims */
6670 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6672 if(canAdjudicate && appData.materialDraws) {
6673 /* but only adjudicate them if adjudication enabled */
6674 if(engineOpponent) {
6675 SendToProgram("force\n", engineOpponent); // suppress reply
6676 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6678 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6679 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6684 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6686 ( NrWR == 1 && NrBR == 1 /* KRKR */
6687 || NrWQ==1 && NrBQ==1 /* KQKQ */
6688 || NrWN==2 || NrBN==2 /* KNNK */
6689 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6691 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6692 { /* if the first 3 moves do not show a tactical win, declare draw */
6693 if(engineOpponent) {
6694 SendToProgram("force\n", engineOpponent); // suppress reply
6695 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6697 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6698 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6701 } else moveCount = 6;
6705 if (appData.debugMode) { int i;
6706 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6707 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6708 appData.drawRepeats);
6709 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6710 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6714 // Repetition draws and 50-move rule can be applied independently of legality testing
6716 /* Check for rep-draws */
6718 for(k = forwardMostMove-2;
6719 k>=backwardMostMove && k>=forwardMostMove-100 &&
6720 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6721 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6724 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6725 /* compare castling rights */
6726 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6727 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6728 rights++; /* King lost rights, while rook still had them */
6729 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6730 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6731 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6732 rights++; /* but at least one rook lost them */
6734 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6735 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6737 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6738 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6739 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6742 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6743 && appData.drawRepeats > 1) {
6744 /* adjudicate after user-specified nr of repeats */
6745 if(engineOpponent) {
6746 SendToProgram("force\n", engineOpponent); // suppress reply
6747 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6749 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6750 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6751 // [HGM] xiangqi: check for forbidden perpetuals
6752 int m, ourPerpetual = 1, hisPerpetual = 1;
6753 for(m=forwardMostMove; m>k; m-=2) {
6754 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6755 ourPerpetual = 0; // the current mover did not always check
6756 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6757 hisPerpetual = 0; // the opponent did not always check
6759 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6760 ourPerpetual, hisPerpetual);
6761 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6762 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6763 "Xboard adjudication: perpetual checking", GE_XBOARD );
6766 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6767 break; // (or we would have caught him before). Abort repetition-checking loop.
6768 // Now check for perpetual chases
6769 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6770 hisPerpetual = PerpetualChase(k, forwardMostMove);
6771 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6772 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6773 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6774 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6777 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6778 break; // Abort repetition-checking loop.
6780 // if neither of us is checking or chasing all the time, or both are, it is draw
6782 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6785 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6786 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6790 /* Now we test for 50-move draws. Determine ply count */
6791 count = forwardMostMove;
6792 /* look for last irreversble move */
6793 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6795 /* if we hit starting position, add initial plies */
6796 if( count == backwardMostMove )
6797 count -= initialRulePlies;
6798 count = forwardMostMove - count;
6800 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6801 /* this is used to judge if draw claims are legal */
6802 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6803 if(engineOpponent) {
6804 SendToProgram("force\n", engineOpponent); // suppress reply
6805 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6807 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6808 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6812 /* if draw offer is pending, treat it as a draw claim
6813 * when draw condition present, to allow engines a way to
6814 * claim draws before making their move to avoid a race
6815 * condition occurring after their move
6817 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6819 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6820 p = "Draw claim: 50-move rule";
6821 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6822 p = "Draw claim: 3-fold repetition";
6823 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6824 p = "Draw claim: insufficient mating material";
6825 if( p != NULL && canAdjudicate) {
6826 if(engineOpponent) {
6827 SendToProgram("force\n", engineOpponent); // suppress reply
6828 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6830 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6831 GameEnds( GameIsDrawn, p, GE_XBOARD );
6836 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6837 if(engineOpponent) {
6838 SendToProgram("force\n", engineOpponent); // suppress reply
6839 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6841 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6842 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6848 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6849 { // [HGM] book: this routine intercepts moves to simulate book replies
6850 char *bookHit = NULL;
6852 //first determine if the incoming move brings opponent into his book
6853 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6854 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6855 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6856 if(bookHit != NULL && !cps->bookSuspend) {
6857 // make sure opponent is not going to reply after receiving move to book position
6858 SendToProgram("force\n", cps);
6859 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6861 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6862 // now arrange restart after book miss
6864 // after a book hit we never send 'go', and the code after the call to this routine
6865 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6867 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6868 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6869 SendToProgram(buf, cps);
6870 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6871 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6872 SendToProgram("go\n", cps);
6873 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6874 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6875 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6876 SendToProgram("go\n", cps);
6877 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6879 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6883 ChessProgramState *savedState;
6884 void DeferredBookMove(void)
6886 if(savedState->lastPing != savedState->lastPong)
6887 ScheduleDelayedEvent(DeferredBookMove, 10);
6889 HandleMachineMove(savedMessage, savedState);
6893 HandleMachineMove(message, cps)
6895 ChessProgramState *cps;
6897 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6898 char realname[MSG_SIZ];
6899 int fromX, fromY, toX, toY;
6908 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6910 * Kludge to ignore BEL characters
6912 while (*message == '\007') message++;
6915 * [HGM] engine debug message: ignore lines starting with '#' character
6917 if(cps->debug && *message == '#') return;
6920 * Look for book output
6922 if (cps == &first && bookRequested) {
6923 if (message[0] == '\t' || message[0] == ' ') {
6924 /* Part of the book output is here; append it */
6925 strcat(bookOutput, message);
6926 strcat(bookOutput, " \n");
6928 } else if (bookOutput[0] != NULLCHAR) {
6929 /* All of book output has arrived; display it */
6930 char *p = bookOutput;
6931 while (*p != NULLCHAR) {
6932 if (*p == '\t') *p = ' ';
6935 DisplayInformation(bookOutput);
6936 bookRequested = FALSE;
6937 /* Fall through to parse the current output */
6942 * Look for machine move.
6944 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6945 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6947 /* This method is only useful on engines that support ping */
6948 if (cps->lastPing != cps->lastPong) {
6949 if (gameMode == BeginningOfGame) {
6950 /* Extra move from before last new; ignore */
6951 if (appData.debugMode) {
6952 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6955 if (appData.debugMode) {
6956 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6957 cps->which, gameMode);
6960 SendToProgram("undo\n", cps);
6966 case BeginningOfGame:
6967 /* Extra move from before last reset; ignore */
6968 if (appData.debugMode) {
6969 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6976 /* Extra move after we tried to stop. The mode test is
6977 not a reliable way of detecting this problem, but it's
6978 the best we can do on engines that don't support ping.
6980 if (appData.debugMode) {
6981 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6982 cps->which, gameMode);
6984 SendToProgram("undo\n", cps);
6987 case MachinePlaysWhite:
6988 case IcsPlayingWhite:
6989 machineWhite = TRUE;
6992 case MachinePlaysBlack:
6993 case IcsPlayingBlack:
6994 machineWhite = FALSE;
6997 case TwoMachinesPlay:
6998 machineWhite = (cps->twoMachinesColor[0] == 'w');
7001 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7002 if (appData.debugMode) {
7004 "Ignoring move out of turn by %s, gameMode %d"
7005 ", forwardMost %d\n",
7006 cps->which, gameMode, forwardMostMove);
7011 if (appData.debugMode) { int f = forwardMostMove;
7012 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7013 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7014 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7016 if(cps->alphaRank) AlphaRank(machineMove, 4);
7017 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7018 &fromX, &fromY, &toX, &toY, &promoChar)) {
7019 /* Machine move could not be parsed; ignore it. */
7020 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7021 machineMove, cps->which);
7022 DisplayError(buf1, 0);
7023 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7024 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7025 if (gameMode == TwoMachinesPlay) {
7026 GameEnds(machineWhite ? BlackWins : WhiteWins,
7032 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7033 /* So we have to redo legality test with true e.p. status here, */
7034 /* to make sure an illegal e.p. capture does not slip through, */
7035 /* to cause a forfeit on a justified illegal-move complaint */
7036 /* of the opponent. */
7037 if( gameMode==TwoMachinesPlay && appData.testLegality
7038 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7041 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7042 fromY, fromX, toY, toX, promoChar);
7043 if (appData.debugMode) {
7045 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7046 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7047 fprintf(debugFP, "castling rights\n");
7049 if(moveType == IllegalMove) {
7050 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7051 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7052 GameEnds(machineWhite ? BlackWins : WhiteWins,
7055 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7056 /* [HGM] Kludge to handle engines that send FRC-style castling
7057 when they shouldn't (like TSCP-Gothic) */
7059 case WhiteASideCastleFR:
7060 case BlackASideCastleFR:
7062 currentMoveString[2]++;
7064 case WhiteHSideCastleFR:
7065 case BlackHSideCastleFR:
7067 currentMoveString[2]--;
7069 default: ; // nothing to do, but suppresses warning of pedantic compilers
7072 hintRequested = FALSE;
7073 lastHint[0] = NULLCHAR;
7074 bookRequested = FALSE;
7075 /* Program may be pondering now */
7076 cps->maybeThinking = TRUE;
7077 if (cps->sendTime == 2) cps->sendTime = 1;
7078 if (cps->offeredDraw) cps->offeredDraw--;
7080 /* currentMoveString is set as a side-effect of ParseOneMove */
7081 strcpy(machineMove, currentMoveString);
7082 strcat(machineMove, "\n");
7083 strcpy(moveList[forwardMostMove], machineMove);
7085 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7087 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7088 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7091 while( count < adjudicateLossPlies ) {
7092 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7095 score = -score; /* Flip score for winning side */
7098 if( score > adjudicateLossThreshold ) {
7105 if( count >= adjudicateLossPlies ) {
7106 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7108 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7109 "Xboard adjudication",
7116 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7119 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7121 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7122 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7124 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7126 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7128 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7129 char buf[3*MSG_SIZ];
7131 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7132 programStats.score / 100.,
7134 programStats.time / 100.,
7135 (unsigned int)programStats.nodes,
7136 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7137 programStats.movelist);
7139 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7144 /* [AS] Save move info and clear stats for next move */
7145 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7146 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7147 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7148 ClearProgramStats();
7149 thinkOutput[0] = NULLCHAR;
7150 hiddenThinkOutputState = 0;
7153 if (gameMode == TwoMachinesPlay) {
7154 /* [HGM] relaying draw offers moved to after reception of move */
7155 /* and interpreting offer as claim if it brings draw condition */
7156 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7157 SendToProgram("draw\n", cps->other);
7159 if (cps->other->sendTime) {
7160 SendTimeRemaining(cps->other,
7161 cps->other->twoMachinesColor[0] == 'w');
7163 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7164 if (firstMove && !bookHit) {
7166 if (cps->other->useColors) {
7167 SendToProgram(cps->other->twoMachinesColor, cps->other);
7169 SendToProgram("go\n", cps->other);
7171 cps->other->maybeThinking = TRUE;
7174 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7176 if (!pausing && appData.ringBellAfterMoves) {
7181 * Reenable menu items that were disabled while
7182 * machine was thinking
7184 if (gameMode != TwoMachinesPlay)
7185 SetUserThinkingEnables();
7187 // [HGM] book: after book hit opponent has received move and is now in force mode
7188 // force the book reply into it, and then fake that it outputted this move by jumping
7189 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7191 static char bookMove[MSG_SIZ]; // a bit generous?
7193 strcpy(bookMove, "move ");
7194 strcat(bookMove, bookHit);
7197 programStats.nodes = programStats.depth = programStats.time =
7198 programStats.score = programStats.got_only_move = 0;
7199 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7201 if(cps->lastPing != cps->lastPong) {
7202 savedMessage = message; // args for deferred call
7204 ScheduleDelayedEvent(DeferredBookMove, 10);
7213 /* Set special modes for chess engines. Later something general
7214 * could be added here; for now there is just one kludge feature,
7215 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7216 * when "xboard" is given as an interactive command.
7218 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7219 cps->useSigint = FALSE;
7220 cps->useSigterm = FALSE;
7222 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7223 ParseFeatures(message+8, cps);
7224 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7227 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7228 * want this, I was asked to put it in, and obliged.
7230 if (!strncmp(message, "setboard ", 9)) {
7231 Board initial_position;
7233 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7235 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7236 DisplayError(_("Bad FEN received from engine"), 0);
7240 CopyBoard(boards[0], initial_position);
7241 initialRulePlies = FENrulePlies;
7242 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7243 else gameMode = MachinePlaysBlack;
7244 DrawPosition(FALSE, boards[currentMove]);
7250 * Look for communication commands
7252 if (!strncmp(message, "telluser ", 9)) {
7253 DisplayNote(message + 9);
7256 if (!strncmp(message, "tellusererror ", 14)) {
7258 DisplayError(message + 14, 0);
7261 if (!strncmp(message, "tellopponent ", 13)) {
7262 if (appData.icsActive) {
7264 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7268 DisplayNote(message + 13);
7272 if (!strncmp(message, "tellothers ", 11)) {
7273 if (appData.icsActive) {
7275 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7281 if (!strncmp(message, "tellall ", 8)) {
7282 if (appData.icsActive) {
7284 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7288 DisplayNote(message + 8);
7292 if (strncmp(message, "warning", 7) == 0) {
7293 /* Undocumented feature, use tellusererror in new code */
7294 DisplayError(message, 0);
7297 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7298 strcpy(realname, cps->tidy);
7299 strcat(realname, " query");
7300 AskQuestion(realname, buf2, buf1, cps->pr);
7303 /* Commands from the engine directly to ICS. We don't allow these to be
7304 * sent until we are logged on. Crafty kibitzes have been known to
7305 * interfere with the login process.
7308 if (!strncmp(message, "tellics ", 8)) {
7309 SendToICS(message + 8);
7313 if (!strncmp(message, "tellicsnoalias ", 15)) {
7314 SendToICS(ics_prefix);
7315 SendToICS(message + 15);
7319 /* The following are for backward compatibility only */
7320 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7321 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7322 SendToICS(ics_prefix);
7328 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7332 * If the move is illegal, cancel it and redraw the board.
7333 * Also deal with other error cases. Matching is rather loose
7334 * here to accommodate engines written before the spec.
7336 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7337 strncmp(message, "Error", 5) == 0) {
7338 if (StrStr(message, "name") ||
7339 StrStr(message, "rating") || StrStr(message, "?") ||
7340 StrStr(message, "result") || StrStr(message, "board") ||
7341 StrStr(message, "bk") || StrStr(message, "computer") ||
7342 StrStr(message, "variant") || StrStr(message, "hint") ||
7343 StrStr(message, "random") || StrStr(message, "depth") ||
7344 StrStr(message, "accepted")) {
7347 if (StrStr(message, "protover")) {
7348 /* Program is responding to input, so it's apparently done
7349 initializing, and this error message indicates it is
7350 protocol version 1. So we don't need to wait any longer
7351 for it to initialize and send feature commands. */
7352 FeatureDone(cps, 1);
7353 cps->protocolVersion = 1;
7356 cps->maybeThinking = FALSE;
7358 if (StrStr(message, "draw")) {
7359 /* Program doesn't have "draw" command */
7360 cps->sendDrawOffers = 0;
7363 if (cps->sendTime != 1 &&
7364 (StrStr(message, "time") || StrStr(message, "otim"))) {
7365 /* Program apparently doesn't have "time" or "otim" command */
7369 if (StrStr(message, "analyze")) {
7370 cps->analysisSupport = FALSE;
7371 cps->analyzing = FALSE;
7373 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7374 DisplayError(buf2, 0);
7377 if (StrStr(message, "(no matching move)st")) {
7378 /* Special kludge for GNU Chess 4 only */
7379 cps->stKludge = TRUE;
7380 SendTimeControl(cps, movesPerSession, timeControl,
7381 timeIncrement, appData.searchDepth,
7385 if (StrStr(message, "(no matching move)sd")) {
7386 /* Special kludge for GNU Chess 4 only */
7387 cps->sdKludge = TRUE;
7388 SendTimeControl(cps, movesPerSession, timeControl,
7389 timeIncrement, appData.searchDepth,
7393 if (!StrStr(message, "llegal")) {
7396 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7397 gameMode == IcsIdle) return;
7398 if (forwardMostMove <= backwardMostMove) return;
7399 if (pausing) PauseEvent();
7400 if(appData.forceIllegal) {
7401 // [HGM] illegal: machine refused move; force position after move into it
7402 SendToProgram("force\n", cps);
7403 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7404 // we have a real problem now, as SendBoard will use the a2a3 kludge
7405 // when black is to move, while there might be nothing on a2 or black
7406 // might already have the move. So send the board as if white has the move.
7407 // But first we must change the stm of the engine, as it refused the last move
7408 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7409 if(WhiteOnMove(forwardMostMove)) {
7410 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7411 SendBoard(cps, forwardMostMove); // kludgeless board
7413 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7414 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7415 SendBoard(cps, forwardMostMove+1); // kludgeless board
7417 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7418 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7419 gameMode == TwoMachinesPlay)
7420 SendToProgram("go\n", cps);
7423 if (gameMode == PlayFromGameFile) {
7424 /* Stop reading this game file */
7425 gameMode = EditGame;
7428 currentMove = forwardMostMove-1;
7429 DisplayMove(currentMove-1); /* before DisplayMoveError */
7430 SwitchClocks(forwardMostMove-1); // [HGM] race
7431 DisplayBothClocks();
7432 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7433 parseList[currentMove], cps->which);
7434 DisplayMoveError(buf1);
7435 DrawPosition(FALSE, boards[currentMove]);
7437 /* [HGM] illegal-move claim should forfeit game when Xboard */
7438 /* only passes fully legal moves */
7439 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7440 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7441 "False illegal-move claim", GE_XBOARD );
7445 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7446 /* Program has a broken "time" command that
7447 outputs a string not ending in newline.
7453 * If chess program startup fails, exit with an error message.
7454 * Attempts to recover here are futile.
7456 if ((StrStr(message, "unknown host") != NULL)
7457 || (StrStr(message, "No remote directory") != NULL)
7458 || (StrStr(message, "not found") != NULL)
7459 || (StrStr(message, "No such file") != NULL)
7460 || (StrStr(message, "can't alloc") != NULL)
7461 || (StrStr(message, "Permission denied") != NULL)) {
7463 cps->maybeThinking = FALSE;
7464 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7465 cps->which, cps->program, cps->host, message);
7466 RemoveInputSource(cps->isr);
7467 DisplayFatalError(buf1, 0, 1);
7472 * Look for hint output
7474 if (sscanf(message, "Hint: %s", buf1) == 1) {
7475 if (cps == &first && hintRequested) {
7476 hintRequested = FALSE;
7477 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7478 &fromX, &fromY, &toX, &toY, &promoChar)) {
7479 (void) CoordsToAlgebraic(boards[forwardMostMove],
7480 PosFlags(forwardMostMove),
7481 fromY, fromX, toY, toX, promoChar, buf1);
7482 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7483 DisplayInformation(buf2);
7485 /* Hint move could not be parsed!? */
7486 snprintf(buf2, sizeof(buf2),
7487 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7489 DisplayError(buf2, 0);
7492 strcpy(lastHint, buf1);
7498 * Ignore other messages if game is not in progress
7500 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7501 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7504 * look for win, lose, draw, or draw offer
7506 if (strncmp(message, "1-0", 3) == 0) {
7507 char *p, *q, *r = "";
7508 p = strchr(message, '{');
7516 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7518 } else if (strncmp(message, "0-1", 3) == 0) {
7519 char *p, *q, *r = "";
7520 p = strchr(message, '{');
7528 /* Kludge for Arasan 4.1 bug */
7529 if (strcmp(r, "Black resigns") == 0) {
7530 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7533 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7535 } else if (strncmp(message, "1/2", 3) == 0) {
7536 char *p, *q, *r = "";
7537 p = strchr(message, '{');
7546 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7549 } else if (strncmp(message, "White resign", 12) == 0) {
7550 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7552 } else if (strncmp(message, "Black resign", 12) == 0) {
7553 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7555 } else if (strncmp(message, "White matches", 13) == 0 ||
7556 strncmp(message, "Black matches", 13) == 0 ) {
7557 /* [HGM] ignore GNUShogi noises */
7559 } else if (strncmp(message, "White", 5) == 0 &&
7560 message[5] != '(' &&
7561 StrStr(message, "Black") == NULL) {
7562 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7564 } else if (strncmp(message, "Black", 5) == 0 &&
7565 message[5] != '(') {
7566 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7568 } else if (strcmp(message, "resign") == 0 ||
7569 strcmp(message, "computer resigns") == 0) {
7571 case MachinePlaysBlack:
7572 case IcsPlayingBlack:
7573 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7575 case MachinePlaysWhite:
7576 case IcsPlayingWhite:
7577 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7579 case TwoMachinesPlay:
7580 if (cps->twoMachinesColor[0] == 'w')
7581 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7583 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7590 } else if (strncmp(message, "opponent mates", 14) == 0) {
7592 case MachinePlaysBlack:
7593 case IcsPlayingBlack:
7594 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7596 case MachinePlaysWhite:
7597 case IcsPlayingWhite:
7598 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7600 case TwoMachinesPlay:
7601 if (cps->twoMachinesColor[0] == 'w')
7602 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7604 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7611 } else if (strncmp(message, "computer mates", 14) == 0) {
7613 case MachinePlaysBlack:
7614 case IcsPlayingBlack:
7615 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7617 case MachinePlaysWhite:
7618 case IcsPlayingWhite:
7619 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7621 case TwoMachinesPlay:
7622 if (cps->twoMachinesColor[0] == 'w')
7623 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7625 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7632 } else if (strncmp(message, "checkmate", 9) == 0) {
7633 if (WhiteOnMove(forwardMostMove)) {
7634 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7636 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7639 } else if (strstr(message, "Draw") != NULL ||
7640 strstr(message, "game is a draw") != NULL) {
7641 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7643 } else if (strstr(message, "offer") != NULL &&
7644 strstr(message, "draw") != NULL) {
7646 if (appData.zippyPlay && first.initDone) {
7647 /* Relay offer to ICS */
7648 SendToICS(ics_prefix);
7649 SendToICS("draw\n");
7652 cps->offeredDraw = 2; /* valid until this engine moves twice */
7653 if (gameMode == TwoMachinesPlay) {
7654 if (cps->other->offeredDraw) {
7655 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7656 /* [HGM] in two-machine mode we delay relaying draw offer */
7657 /* until after we also have move, to see if it is really claim */
7659 } else if (gameMode == MachinePlaysWhite ||
7660 gameMode == MachinePlaysBlack) {
7661 if (userOfferedDraw) {
7662 DisplayInformation(_("Machine accepts your draw offer"));
7663 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7665 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7672 * Look for thinking output
7674 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7675 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7677 int plylev, mvleft, mvtot, curscore, time;
7678 char mvname[MOVE_LEN];
7682 int prefixHint = FALSE;
7683 mvname[0] = NULLCHAR;
7686 case MachinePlaysBlack:
7687 case IcsPlayingBlack:
7688 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7690 case MachinePlaysWhite:
7691 case IcsPlayingWhite:
7692 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7697 case IcsObserving: /* [DM] icsEngineAnalyze */
7698 if (!appData.icsEngineAnalyze) ignore = TRUE;
7700 case TwoMachinesPlay:
7701 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7712 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7713 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7715 if (plyext != ' ' && plyext != '\t') {
7719 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7720 if( cps->scoreIsAbsolute &&
7721 ( gameMode == MachinePlaysBlack ||
7722 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7723 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7724 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7725 !WhiteOnMove(currentMove)
7728 curscore = -curscore;
7732 programStats.depth = plylev;
7733 programStats.nodes = nodes;
7734 programStats.time = time;
7735 programStats.score = curscore;
7736 programStats.got_only_move = 0;
7738 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7741 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7742 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7743 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7744 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7745 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7746 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7747 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7748 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7751 /* Buffer overflow protection */
7752 if (buf1[0] != NULLCHAR) {
7753 if (strlen(buf1) >= sizeof(programStats.movelist)
7754 && appData.debugMode) {
7756 "PV is too long; using the first %u bytes.\n",
7757 (unsigned) sizeof(programStats.movelist) - 1);
7760 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7762 sprintf(programStats.movelist, " no PV\n");
7765 if (programStats.seen_stat) {
7766 programStats.ok_to_send = 1;
7769 if (strchr(programStats.movelist, '(') != NULL) {
7770 programStats.line_is_book = 1;
7771 programStats.nr_moves = 0;
7772 programStats.moves_left = 0;
7774 programStats.line_is_book = 0;
7777 SendProgramStatsToFrontend( cps, &programStats );
7780 [AS] Protect the thinkOutput buffer from overflow... this
7781 is only useful if buf1 hasn't overflowed first!
7783 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7785 (gameMode == TwoMachinesPlay ?
7786 ToUpper(cps->twoMachinesColor[0]) : ' '),
7787 ((double) curscore) / 100.0,
7788 prefixHint ? lastHint : "",
7789 prefixHint ? " " : "" );
7791 if( buf1[0] != NULLCHAR ) {
7792 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7794 if( strlen(buf1) > max_len ) {
7795 if( appData.debugMode) {
7796 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7798 buf1[max_len+1] = '\0';
7801 strcat( thinkOutput, buf1 );
7804 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7805 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7806 DisplayMove(currentMove - 1);
7810 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7811 /* crafty (9.25+) says "(only move) <move>"
7812 * if there is only 1 legal move
7814 sscanf(p, "(only move) %s", buf1);
7815 sprintf(thinkOutput, "%s (only move)", buf1);
7816 sprintf(programStats.movelist, "%s (only move)", buf1);
7817 programStats.depth = 1;
7818 programStats.nr_moves = 1;
7819 programStats.moves_left = 1;
7820 programStats.nodes = 1;
7821 programStats.time = 1;
7822 programStats.got_only_move = 1;
7824 /* Not really, but we also use this member to
7825 mean "line isn't going to change" (Crafty
7826 isn't searching, so stats won't change) */
7827 programStats.line_is_book = 1;
7829 SendProgramStatsToFrontend( cps, &programStats );
7831 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7832 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7833 DisplayMove(currentMove - 1);
7836 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7837 &time, &nodes, &plylev, &mvleft,
7838 &mvtot, mvname) >= 5) {
7839 /* The stat01: line is from Crafty (9.29+) in response
7840 to the "." command */
7841 programStats.seen_stat = 1;
7842 cps->maybeThinking = TRUE;
7844 if (programStats.got_only_move || !appData.periodicUpdates)
7847 programStats.depth = plylev;
7848 programStats.time = time;
7849 programStats.nodes = nodes;
7850 programStats.moves_left = mvleft;
7851 programStats.nr_moves = mvtot;
7852 strcpy(programStats.move_name, mvname);
7853 programStats.ok_to_send = 1;
7854 programStats.movelist[0] = '\0';
7856 SendProgramStatsToFrontend( cps, &programStats );
7860 } else if (strncmp(message,"++",2) == 0) {
7861 /* Crafty 9.29+ outputs this */
7862 programStats.got_fail = 2;
7865 } else if (strncmp(message,"--",2) == 0) {
7866 /* Crafty 9.29+ outputs this */
7867 programStats.got_fail = 1;
7870 } else if (thinkOutput[0] != NULLCHAR &&
7871 strncmp(message, " ", 4) == 0) {
7872 unsigned message_len;
7875 while (*p && *p == ' ') p++;
7877 message_len = strlen( p );
7879 /* [AS] Avoid buffer overflow */
7880 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7881 strcat(thinkOutput, " ");
7882 strcat(thinkOutput, p);
7885 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7886 strcat(programStats.movelist, " ");
7887 strcat(programStats.movelist, p);
7890 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7891 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7892 DisplayMove(currentMove - 1);
7900 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7901 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7903 ChessProgramStats cpstats;
7905 if (plyext != ' ' && plyext != '\t') {
7909 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7910 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7911 curscore = -curscore;
7914 cpstats.depth = plylev;
7915 cpstats.nodes = nodes;
7916 cpstats.time = time;
7917 cpstats.score = curscore;
7918 cpstats.got_only_move = 0;
7919 cpstats.movelist[0] = '\0';
7921 if (buf1[0] != NULLCHAR) {
7922 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7925 cpstats.ok_to_send = 0;
7926 cpstats.line_is_book = 0;
7927 cpstats.nr_moves = 0;
7928 cpstats.moves_left = 0;
7930 SendProgramStatsToFrontend( cps, &cpstats );
7937 /* Parse a game score from the character string "game", and
7938 record it as the history of the current game. The game
7939 score is NOT assumed to start from the standard position.
7940 The display is not updated in any way.
7943 ParseGameHistory(game)
7947 int fromX, fromY, toX, toY, boardIndex;
7952 if (appData.debugMode)
7953 fprintf(debugFP, "Parsing game history: %s\n", game);
7955 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7956 gameInfo.site = StrSave(appData.icsHost);
7957 gameInfo.date = PGNDate();
7958 gameInfo.round = StrSave("-");
7960 /* Parse out names of players */
7961 while (*game == ' ') game++;
7963 while (*game != ' ') *p++ = *game++;
7965 gameInfo.white = StrSave(buf);
7966 while (*game == ' ') game++;
7968 while (*game != ' ' && *game != '\n') *p++ = *game++;
7970 gameInfo.black = StrSave(buf);
7973 boardIndex = blackPlaysFirst ? 1 : 0;
7976 yyboardindex = boardIndex;
7977 moveType = (ChessMove) yylex();
7979 case IllegalMove: /* maybe suicide chess, etc. */
7980 if (appData.debugMode) {
7981 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7982 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7983 setbuf(debugFP, NULL);
7985 case WhitePromotionChancellor:
7986 case BlackPromotionChancellor:
7987 case WhitePromotionArchbishop:
7988 case BlackPromotionArchbishop:
7989 case WhitePromotionQueen:
7990 case BlackPromotionQueen:
7991 case WhitePromotionRook:
7992 case BlackPromotionRook:
7993 case WhitePromotionBishop:
7994 case BlackPromotionBishop:
7995 case WhitePromotionKnight:
7996 case BlackPromotionKnight:
7997 case WhitePromotionKing:
7998 case BlackPromotionKing:
8000 case WhiteCapturesEnPassant:
8001 case BlackCapturesEnPassant:
8002 case WhiteKingSideCastle:
8003 case WhiteQueenSideCastle:
8004 case BlackKingSideCastle:
8005 case BlackQueenSideCastle:
8006 case WhiteKingSideCastleWild:
8007 case WhiteQueenSideCastleWild:
8008 case BlackKingSideCastleWild:
8009 case BlackQueenSideCastleWild:
8011 case WhiteHSideCastleFR:
8012 case WhiteASideCastleFR:
8013 case BlackHSideCastleFR:
8014 case BlackASideCastleFR:
8016 fromX = currentMoveString[0] - AAA;
8017 fromY = currentMoveString[1] - ONE;
8018 toX = currentMoveString[2] - AAA;
8019 toY = currentMoveString[3] - ONE;
8020 promoChar = currentMoveString[4];
8024 fromX = moveType == WhiteDrop ?
8025 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8026 (int) CharToPiece(ToLower(currentMoveString[0]));
8028 toX = currentMoveString[2] - AAA;
8029 toY = currentMoveString[3] - ONE;
8030 promoChar = NULLCHAR;
8034 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8035 if (appData.debugMode) {
8036 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8037 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8038 setbuf(debugFP, NULL);
8040 DisplayError(buf, 0);
8042 case ImpossibleMove:
8044 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8045 if (appData.debugMode) {
8046 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8047 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8048 setbuf(debugFP, NULL);
8050 DisplayError(buf, 0);
8052 case (ChessMove) 0: /* end of file */
8053 if (boardIndex < backwardMostMove) {
8054 /* Oops, gap. How did that happen? */
8055 DisplayError(_("Gap in move list"), 0);
8058 backwardMostMove = blackPlaysFirst ? 1 : 0;
8059 if (boardIndex > forwardMostMove) {
8060 forwardMostMove = boardIndex;
8064 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8065 strcat(parseList[boardIndex-1], " ");
8066 strcat(parseList[boardIndex-1], yy_text);
8078 case GameUnfinished:
8079 if (gameMode == IcsExamining) {
8080 if (boardIndex < backwardMostMove) {
8081 /* Oops, gap. How did that happen? */
8084 backwardMostMove = blackPlaysFirst ? 1 : 0;
8087 gameInfo.result = moveType;
8088 p = strchr(yy_text, '{');
8089 if (p == NULL) p = strchr(yy_text, '(');
8092 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8094 q = strchr(p, *p == '{' ? '}' : ')');
8095 if (q != NULL) *q = NULLCHAR;
8098 gameInfo.resultDetails = StrSave(p);
8101 if (boardIndex >= forwardMostMove &&
8102 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8103 backwardMostMove = blackPlaysFirst ? 1 : 0;
8106 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8107 fromY, fromX, toY, toX, promoChar,
8108 parseList[boardIndex]);
8109 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8110 /* currentMoveString is set as a side-effect of yylex */
8111 strcpy(moveList[boardIndex], currentMoveString);
8112 strcat(moveList[boardIndex], "\n");
8114 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8115 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8121 if(gameInfo.variant != VariantShogi)
8122 strcat(parseList[boardIndex - 1], "+");
8126 strcat(parseList[boardIndex - 1], "#");
8133 /* Apply a move to the given board */
8135 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8136 int fromX, fromY, toX, toY;
8140 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8141 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8143 /* [HGM] compute & store e.p. status and castling rights for new position */
8144 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8147 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8148 oldEP = (signed char)board[EP_STATUS];
8149 board[EP_STATUS] = EP_NONE;
8151 if( board[toY][toX] != EmptySquare )
8152 board[EP_STATUS] = EP_CAPTURE;
8154 if( board[fromY][fromX] == WhitePawn ) {
8155 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8156 board[EP_STATUS] = EP_PAWN_MOVE;
8158 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8159 gameInfo.variant != VariantBerolina || toX < fromX)
8160 board[EP_STATUS] = toX | berolina;
8161 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8162 gameInfo.variant != VariantBerolina || toX > fromX)
8163 board[EP_STATUS] = toX;
8166 if( board[fromY][fromX] == BlackPawn ) {
8167 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8168 board[EP_STATUS] = EP_PAWN_MOVE;
8169 if( toY-fromY== -2) {
8170 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8171 gameInfo.variant != VariantBerolina || toX < fromX)
8172 board[EP_STATUS] = toX | berolina;
8173 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8174 gameInfo.variant != VariantBerolina || toX > fromX)
8175 board[EP_STATUS] = toX;
8179 for(i=0; i<nrCastlingRights; i++) {
8180 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8181 board[CASTLING][i] == toX && castlingRank[i] == toY
8182 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8187 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8188 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8189 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8191 if (fromX == toX && fromY == toY) return;
8193 if (fromY == DROP_RANK) {
8195 piece = board[toY][toX] = (ChessSquare) fromX;
8197 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8198 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8199 if(gameInfo.variant == VariantKnightmate)
8200 king += (int) WhiteUnicorn - (int) WhiteKing;
8202 /* Code added by Tord: */
8203 /* FRC castling assumed when king captures friendly rook. */
8204 if (board[fromY][fromX] == WhiteKing &&
8205 board[toY][toX] == WhiteRook) {
8206 board[fromY][fromX] = EmptySquare;
8207 board[toY][toX] = EmptySquare;
8209 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8211 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8213 } else if (board[fromY][fromX] == BlackKing &&
8214 board[toY][toX] == BlackRook) {
8215 board[fromY][fromX] = EmptySquare;
8216 board[toY][toX] = EmptySquare;
8218 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8220 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8222 /* End of code added by Tord */
8224 } else if (board[fromY][fromX] == king
8225 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8226 && toY == fromY && toX > fromX+1) {
8227 board[fromY][fromX] = EmptySquare;
8228 board[toY][toX] = king;
8229 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8230 board[fromY][BOARD_RGHT-1] = EmptySquare;
8231 } else if (board[fromY][fromX] == king
8232 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8233 && toY == fromY && toX < fromX-1) {
8234 board[fromY][fromX] = EmptySquare;
8235 board[toY][toX] = king;
8236 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8237 board[fromY][BOARD_LEFT] = EmptySquare;
8238 } else if (board[fromY][fromX] == WhitePawn
8239 && toY >= BOARD_HEIGHT-promoRank
8240 && gameInfo.variant != VariantXiangqi
8242 /* white pawn promotion */
8243 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8244 if (board[toY][toX] == EmptySquare) {
8245 board[toY][toX] = WhiteQueen;
8247 if(gameInfo.variant==VariantBughouse ||
8248 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8249 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8250 board[fromY][fromX] = EmptySquare;
8251 } else if ((fromY == BOARD_HEIGHT-4)
8253 && gameInfo.variant != VariantXiangqi
8254 && gameInfo.variant != VariantBerolina
8255 && (board[fromY][fromX] == WhitePawn)
8256 && (board[toY][toX] == EmptySquare)) {
8257 board[fromY][fromX] = EmptySquare;
8258 board[toY][toX] = WhitePawn;
8259 captured = board[toY - 1][toX];
8260 board[toY - 1][toX] = EmptySquare;
8261 } else if ((fromY == BOARD_HEIGHT-4)
8263 && gameInfo.variant == VariantBerolina
8264 && (board[fromY][fromX] == WhitePawn)
8265 && (board[toY][toX] == EmptySquare)) {
8266 board[fromY][fromX] = EmptySquare;
8267 board[toY][toX] = WhitePawn;
8268 if(oldEP & EP_BEROLIN_A) {
8269 captured = board[fromY][fromX-1];
8270 board[fromY][fromX-1] = EmptySquare;
8271 }else{ captured = board[fromY][fromX+1];
8272 board[fromY][fromX+1] = EmptySquare;
8274 } else if (board[fromY][fromX] == king
8275 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8276 && toY == fromY && toX > fromX+1) {
8277 board[fromY][fromX] = EmptySquare;
8278 board[toY][toX] = king;
8279 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8280 board[fromY][BOARD_RGHT-1] = EmptySquare;
8281 } else if (board[fromY][fromX] == king
8282 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8283 && toY == fromY && toX < fromX-1) {
8284 board[fromY][fromX] = EmptySquare;
8285 board[toY][toX] = king;
8286 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8287 board[fromY][BOARD_LEFT] = EmptySquare;
8288 } else if (fromY == 7 && fromX == 3
8289 && board[fromY][fromX] == BlackKing
8290 && toY == 7 && toX == 5) {
8291 board[fromY][fromX] = EmptySquare;
8292 board[toY][toX] = BlackKing;
8293 board[fromY][7] = EmptySquare;
8294 board[toY][4] = BlackRook;
8295 } else if (fromY == 7 && fromX == 3
8296 && board[fromY][fromX] == BlackKing
8297 && toY == 7 && toX == 1) {
8298 board[fromY][fromX] = EmptySquare;
8299 board[toY][toX] = BlackKing;
8300 board[fromY][0] = EmptySquare;
8301 board[toY][2] = BlackRook;
8302 } else if (board[fromY][fromX] == BlackPawn
8304 && gameInfo.variant != VariantXiangqi
8306 /* black pawn promotion */
8307 board[toY][toX] = CharToPiece(ToLower(promoChar));
8308 if (board[toY][toX] == EmptySquare) {
8309 board[toY][toX] = BlackQueen;
8311 if(gameInfo.variant==VariantBughouse ||
8312 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8313 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8314 board[fromY][fromX] = EmptySquare;
8315 } else if ((fromY == 3)
8317 && gameInfo.variant != VariantXiangqi
8318 && gameInfo.variant != VariantBerolina
8319 && (board[fromY][fromX] == BlackPawn)
8320 && (board[toY][toX] == EmptySquare)) {
8321 board[fromY][fromX] = EmptySquare;
8322 board[toY][toX] = BlackPawn;
8323 captured = board[toY + 1][toX];
8324 board[toY + 1][toX] = EmptySquare;
8325 } else if ((fromY == 3)
8327 && gameInfo.variant == VariantBerolina
8328 && (board[fromY][fromX] == BlackPawn)
8329 && (board[toY][toX] == EmptySquare)) {
8330 board[fromY][fromX] = EmptySquare;
8331 board[toY][toX] = BlackPawn;
8332 if(oldEP & EP_BEROLIN_A) {
8333 captured = board[fromY][fromX-1];
8334 board[fromY][fromX-1] = EmptySquare;
8335 }else{ captured = board[fromY][fromX+1];
8336 board[fromY][fromX+1] = EmptySquare;
8339 board[toY][toX] = board[fromY][fromX];
8340 board[fromY][fromX] = EmptySquare;
8343 /* [HGM] now we promote for Shogi, if needed */
8344 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8345 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8348 if (gameInfo.holdingsWidth != 0) {
8350 /* !!A lot more code needs to be written to support holdings */
8351 /* [HGM] OK, so I have written it. Holdings are stored in the */
8352 /* penultimate board files, so they are automaticlly stored */
8353 /* in the game history. */
8354 if (fromY == DROP_RANK) {
8355 /* Delete from holdings, by decreasing count */
8356 /* and erasing image if necessary */
8358 if(p < (int) BlackPawn) { /* white drop */
8359 p -= (int)WhitePawn;
8360 p = PieceToNumber((ChessSquare)p);
8361 if(p >= gameInfo.holdingsSize) p = 0;
8362 if(--board[p][BOARD_WIDTH-2] <= 0)
8363 board[p][BOARD_WIDTH-1] = EmptySquare;
8364 if((int)board[p][BOARD_WIDTH-2] < 0)
8365 board[p][BOARD_WIDTH-2] = 0;
8366 } else { /* black drop */
8367 p -= (int)BlackPawn;
8368 p = PieceToNumber((ChessSquare)p);
8369 if(p >= gameInfo.holdingsSize) p = 0;
8370 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8371 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8372 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8373 board[BOARD_HEIGHT-1-p][1] = 0;
8376 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8377 && gameInfo.variant != VariantBughouse ) {
8378 /* [HGM] holdings: Add to holdings, if holdings exist */
8379 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8380 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8381 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8384 if (p >= (int) BlackPawn) {
8385 p -= (int)BlackPawn;
8386 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8387 /* in Shogi restore piece to its original first */
8388 captured = (ChessSquare) (DEMOTED captured);
8391 p = PieceToNumber((ChessSquare)p);
8392 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8393 board[p][BOARD_WIDTH-2]++;
8394 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8396 p -= (int)WhitePawn;
8397 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8398 captured = (ChessSquare) (DEMOTED captured);
8401 p = PieceToNumber((ChessSquare)p);
8402 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8403 board[BOARD_HEIGHT-1-p][1]++;
8404 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8407 } else if (gameInfo.variant == VariantAtomic) {
8408 if (captured != EmptySquare) {
8410 for (y = toY-1; y <= toY+1; y++) {
8411 for (x = toX-1; x <= toX+1; x++) {
8412 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8413 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8414 board[y][x] = EmptySquare;
8418 board[toY][toX] = EmptySquare;
8421 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8422 /* [HGM] Shogi promotions */
8423 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8426 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8427 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8428 // [HGM] superchess: take promotion piece out of holdings
8429 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8430 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8431 if(!--board[k][BOARD_WIDTH-2])
8432 board[k][BOARD_WIDTH-1] = EmptySquare;
8434 if(!--board[BOARD_HEIGHT-1-k][1])
8435 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8441 /* Updates forwardMostMove */
8443 MakeMove(fromX, fromY, toX, toY, promoChar)
8444 int fromX, fromY, toX, toY;
8447 // forwardMostMove++; // [HGM] bare: moved downstream
8449 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8450 int timeLeft; static int lastLoadFlag=0; int king, piece;
8451 piece = boards[forwardMostMove][fromY][fromX];
8452 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8453 if(gameInfo.variant == VariantKnightmate)
8454 king += (int) WhiteUnicorn - (int) WhiteKing;
8455 if(forwardMostMove == 0) {
8457 fprintf(serverMoves, "%s;", second.tidy);
8458 fprintf(serverMoves, "%s;", first.tidy);
8459 if(!blackPlaysFirst)
8460 fprintf(serverMoves, "%s;", second.tidy);
8461 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8462 lastLoadFlag = loadFlag;
8464 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8465 // print castling suffix
8466 if( toY == fromY && piece == king ) {
8468 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8470 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8473 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8474 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8475 boards[forwardMostMove][toY][toX] == EmptySquare
8477 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8479 if(promoChar != NULLCHAR)
8480 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8482 fprintf(serverMoves, "/%d/%d",
8483 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8484 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8485 else timeLeft = blackTimeRemaining/1000;
8486 fprintf(serverMoves, "/%d", timeLeft);
8488 fflush(serverMoves);
8491 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8492 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8496 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8497 if (commentList[forwardMostMove+1] != NULL) {
8498 free(commentList[forwardMostMove+1]);
8499 commentList[forwardMostMove+1] = NULL;
8501 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8502 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8503 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8504 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8505 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8506 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8507 gameInfo.result = GameUnfinished;
8508 if (gameInfo.resultDetails != NULL) {
8509 free(gameInfo.resultDetails);
8510 gameInfo.resultDetails = NULL;
8512 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8513 moveList[forwardMostMove - 1]);
8514 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8515 PosFlags(forwardMostMove - 1),
8516 fromY, fromX, toY, toX, promoChar,
8517 parseList[forwardMostMove - 1]);
8518 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8524 if(gameInfo.variant != VariantShogi)
8525 strcat(parseList[forwardMostMove - 1], "+");
8529 strcat(parseList[forwardMostMove - 1], "#");
8532 if (appData.debugMode) {
8533 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8538 /* Updates currentMove if not pausing */
8540 ShowMove(fromX, fromY, toX, toY)
8542 int instant = (gameMode == PlayFromGameFile) ?
8543 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8544 if(appData.noGUI) return;
8545 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8547 if (forwardMostMove == currentMove + 1) {
8548 AnimateMove(boards[forwardMostMove - 1],
8549 fromX, fromY, toX, toY);
8551 if (appData.highlightLastMove) {
8552 SetHighlights(fromX, fromY, toX, toY);
8555 currentMove = forwardMostMove;
8558 if (instant) return;
8560 DisplayMove(currentMove - 1);
8561 DrawPosition(FALSE, boards[currentMove]);
8562 DisplayBothClocks();
8563 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8566 void SendEgtPath(ChessProgramState *cps)
8567 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8568 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8570 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8573 char c, *q = name+1, *r, *s;
8575 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8576 while(*p && *p != ',') *q++ = *p++;
8578 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8579 strcmp(name, ",nalimov:") == 0 ) {
8580 // take nalimov path from the menu-changeable option first, if it is defined
8581 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8582 SendToProgram(buf,cps); // send egtbpath command for nalimov
8584 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8585 (s = StrStr(appData.egtFormats, name)) != NULL) {
8586 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8587 s = r = StrStr(s, ":") + 1; // beginning of path info
8588 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8589 c = *r; *r = 0; // temporarily null-terminate path info
8590 *--q = 0; // strip of trailig ':' from name
8591 sprintf(buf, "egtpath %s %s\n", name+1, s);
8593 SendToProgram(buf,cps); // send egtbpath command for this format
8595 if(*p == ',') p++; // read away comma to position for next format name
8600 InitChessProgram(cps, setup)
8601 ChessProgramState *cps;
8602 int setup; /* [HGM] needed to setup FRC opening position */
8604 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8605 if (appData.noChessProgram) return;
8606 hintRequested = FALSE;
8607 bookRequested = FALSE;
8609 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8610 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8611 if(cps->memSize) { /* [HGM] memory */
8612 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8613 SendToProgram(buf, cps);
8615 SendEgtPath(cps); /* [HGM] EGT */
8616 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8617 sprintf(buf, "cores %d\n", appData.smpCores);
8618 SendToProgram(buf, cps);
8621 SendToProgram(cps->initString, cps);
8622 if (gameInfo.variant != VariantNormal &&
8623 gameInfo.variant != VariantLoadable
8624 /* [HGM] also send variant if board size non-standard */
8625 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8627 char *v = VariantName(gameInfo.variant);
8628 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8629 /* [HGM] in protocol 1 we have to assume all variants valid */
8630 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8631 DisplayFatalError(buf, 0, 1);
8635 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8636 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8637 if( gameInfo.variant == VariantXiangqi )
8638 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8639 if( gameInfo.variant == VariantShogi )
8640 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8641 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8642 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8643 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8644 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8645 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8646 if( gameInfo.variant == VariantCourier )
8647 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8648 if( gameInfo.variant == VariantSuper )
8649 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8650 if( gameInfo.variant == VariantGreat )
8651 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8654 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8655 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8656 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8657 if(StrStr(cps->variants, b) == NULL) {
8658 // specific sized variant not known, check if general sizing allowed
8659 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8660 if(StrStr(cps->variants, "boardsize") == NULL) {
8661 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8662 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8663 DisplayFatalError(buf, 0, 1);
8666 /* [HGM] here we really should compare with the maximum supported board size */
8669 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8670 sprintf(buf, "variant %s\n", b);
8671 SendToProgram(buf, cps);
8673 currentlyInitializedVariant = gameInfo.variant;
8675 /* [HGM] send opening position in FRC to first engine */
8677 SendToProgram("force\n", cps);
8679 /* engine is now in force mode! Set flag to wake it up after first move. */
8680 setboardSpoiledMachineBlack = 1;
8684 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8685 SendToProgram(buf, cps);
8687 cps->maybeThinking = FALSE;
8688 cps->offeredDraw = 0;
8689 if (!appData.icsActive) {
8690 SendTimeControl(cps, movesPerSession, timeControl,
8691 timeIncrement, appData.searchDepth,
8694 if (appData.showThinking
8695 // [HGM] thinking: four options require thinking output to be sent
8696 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8698 SendToProgram("post\n", cps);
8700 SendToProgram("hard\n", cps);
8701 if (!appData.ponderNextMove) {
8702 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8703 it without being sure what state we are in first. "hard"
8704 is not a toggle, so that one is OK.
8706 SendToProgram("easy\n", cps);
8709 sprintf(buf, "ping %d\n", ++cps->lastPing);
8710 SendToProgram(buf, cps);
8712 cps->initDone = TRUE;
8717 StartChessProgram(cps)
8718 ChessProgramState *cps;
8723 if (appData.noChessProgram) return;
8724 cps->initDone = FALSE;
8726 if (strcmp(cps->host, "localhost") == 0) {
8727 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8728 } else if (*appData.remoteShell == NULLCHAR) {
8729 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8731 if (*appData.remoteUser == NULLCHAR) {
8732 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8735 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8736 cps->host, appData.remoteUser, cps->program);
8738 err = StartChildProcess(buf, "", &cps->pr);
8742 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8743 DisplayFatalError(buf, err, 1);
8749 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8750 if (cps->protocolVersion > 1) {
8751 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8752 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8753 cps->comboCnt = 0; // and values of combo boxes
8754 SendToProgram(buf, cps);
8756 SendToProgram("xboard\n", cps);
8762 TwoMachinesEventIfReady P((void))
8764 if (first.lastPing != first.lastPong) {
8765 DisplayMessage("", _("Waiting for first chess program"));
8766 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8769 if (second.lastPing != second.lastPong) {
8770 DisplayMessage("", _("Waiting for second chess program"));
8771 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8779 NextMatchGame P((void))
8781 int index; /* [HGM] autoinc: step load index during match */
8783 if (*appData.loadGameFile != NULLCHAR) {
8784 index = appData.loadGameIndex;
8785 if(index < 0) { // [HGM] autoinc
8786 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8787 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8789 LoadGameFromFile(appData.loadGameFile,
8791 appData.loadGameFile, FALSE);
8792 } else if (*appData.loadPositionFile != NULLCHAR) {
8793 index = appData.loadPositionIndex;
8794 if(index < 0) { // [HGM] autoinc
8795 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8796 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8798 LoadPositionFromFile(appData.loadPositionFile,
8800 appData.loadPositionFile);
8802 TwoMachinesEventIfReady();
8805 void UserAdjudicationEvent( int result )
8807 ChessMove gameResult = GameIsDrawn;
8810 gameResult = WhiteWins;
8812 else if( result < 0 ) {
8813 gameResult = BlackWins;
8816 if( gameMode == TwoMachinesPlay ) {
8817 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8822 // [HGM] save: calculate checksum of game to make games easily identifiable
8823 int StringCheckSum(char *s)
8826 if(s==NULL) return 0;
8827 while(*s) i = i*259 + *s++;
8834 for(i=backwardMostMove; i<forwardMostMove; i++) {
8835 sum += pvInfoList[i].depth;
8836 sum += StringCheckSum(parseList[i]);
8837 sum += StringCheckSum(commentList[i]);
8840 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8841 return sum + StringCheckSum(commentList[i]);
8842 } // end of save patch
8845 GameEnds(result, resultDetails, whosays)
8847 char *resultDetails;
8850 GameMode nextGameMode;
8854 if(endingGame) return; /* [HGM] crash: forbid recursion */
8857 if (appData.debugMode) {
8858 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8859 result, resultDetails ? resultDetails : "(null)", whosays);
8862 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8864 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8865 /* If we are playing on ICS, the server decides when the
8866 game is over, but the engine can offer to draw, claim
8870 if (appData.zippyPlay && first.initDone) {
8871 if (result == GameIsDrawn) {
8872 /* In case draw still needs to be claimed */
8873 SendToICS(ics_prefix);
8874 SendToICS("draw\n");
8875 } else if (StrCaseStr(resultDetails, "resign")) {
8876 SendToICS(ics_prefix);
8877 SendToICS("resign\n");
8881 endingGame = 0; /* [HGM] crash */
8885 /* If we're loading the game from a file, stop */
8886 if (whosays == GE_FILE) {
8887 (void) StopLoadGameTimer();
8891 /* Cancel draw offers */
8892 first.offeredDraw = second.offeredDraw = 0;
8894 /* If this is an ICS game, only ICS can really say it's done;
8895 if not, anyone can. */
8896 isIcsGame = (gameMode == IcsPlayingWhite ||
8897 gameMode == IcsPlayingBlack ||
8898 gameMode == IcsObserving ||
8899 gameMode == IcsExamining);
8901 if (!isIcsGame || whosays == GE_ICS) {
8902 /* OK -- not an ICS game, or ICS said it was done */
8904 if (!isIcsGame && !appData.noChessProgram)
8905 SetUserThinkingEnables();
8907 /* [HGM] if a machine claims the game end we verify this claim */
8908 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8909 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8911 ChessMove trueResult = (ChessMove) -1;
8913 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8914 first.twoMachinesColor[0] :
8915 second.twoMachinesColor[0] ;
8917 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8918 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8919 /* [HGM] verify: engine mate claims accepted if they were flagged */
8920 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8922 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8923 /* [HGM] verify: engine mate claims accepted if they were flagged */
8924 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8926 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8927 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8930 // now verify win claims, but not in drop games, as we don't understand those yet
8931 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8932 || gameInfo.variant == VariantGreat) &&
8933 (result == WhiteWins && claimer == 'w' ||
8934 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8935 if (appData.debugMode) {
8936 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8937 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8939 if(result != trueResult) {
8940 sprintf(buf, "False win claim: '%s'", resultDetails);
8941 result = claimer == 'w' ? BlackWins : WhiteWins;
8942 resultDetails = buf;
8945 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8946 && (forwardMostMove <= backwardMostMove ||
8947 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8948 (claimer=='b')==(forwardMostMove&1))
8950 /* [HGM] verify: draws that were not flagged are false claims */
8951 sprintf(buf, "False draw claim: '%s'", resultDetails);
8952 result = claimer == 'w' ? BlackWins : WhiteWins;
8953 resultDetails = buf;
8955 /* (Claiming a loss is accepted no questions asked!) */
8957 /* [HGM] bare: don't allow bare King to win */
8958 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8959 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8960 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8961 && result != GameIsDrawn)
8962 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8963 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8964 int p = (signed char)boards[forwardMostMove][i][j] - color;
8965 if(p >= 0 && p <= (int)WhiteKing) k++;
8967 if (appData.debugMode) {
8968 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8969 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8972 result = GameIsDrawn;
8973 sprintf(buf, "%s but bare king", resultDetails);
8974 resultDetails = buf;
8980 if(serverMoves != NULL && !loadFlag) { char c = '=';
8981 if(result==WhiteWins) c = '+';
8982 if(result==BlackWins) c = '-';
8983 if(resultDetails != NULL)
8984 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8986 if (resultDetails != NULL) {
8987 gameInfo.result = result;
8988 gameInfo.resultDetails = StrSave(resultDetails);
8990 /* display last move only if game was not loaded from file */
8991 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8992 DisplayMove(currentMove - 1);
8994 if (forwardMostMove != 0) {
8995 if (gameMode != PlayFromGameFile && gameMode != EditGame
8996 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8998 if (*appData.saveGameFile != NULLCHAR) {
8999 SaveGameToFile(appData.saveGameFile, TRUE);
9000 } else if (appData.autoSaveGames) {
9003 if (*appData.savePositionFile != NULLCHAR) {
9004 SavePositionToFile(appData.savePositionFile);
9009 /* Tell program how game ended in case it is learning */
9010 /* [HGM] Moved this to after saving the PGN, just in case */
9011 /* engine died and we got here through time loss. In that */
9012 /* case we will get a fatal error writing the pipe, which */
9013 /* would otherwise lose us the PGN. */
9014 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9015 /* output during GameEnds should never be fatal anymore */
9016 if (gameMode == MachinePlaysWhite ||
9017 gameMode == MachinePlaysBlack ||
9018 gameMode == TwoMachinesPlay ||
9019 gameMode == IcsPlayingWhite ||
9020 gameMode == IcsPlayingBlack ||
9021 gameMode == BeginningOfGame) {
9023 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9025 if (first.pr != NoProc) {
9026 SendToProgram(buf, &first);
9028 if (second.pr != NoProc &&
9029 gameMode == TwoMachinesPlay) {
9030 SendToProgram(buf, &second);
9035 if (appData.icsActive) {
9036 if (appData.quietPlay &&
9037 (gameMode == IcsPlayingWhite ||
9038 gameMode == IcsPlayingBlack)) {
9039 SendToICS(ics_prefix);
9040 SendToICS("set shout 1\n");
9042 nextGameMode = IcsIdle;
9043 ics_user_moved = FALSE;
9044 /* clean up premove. It's ugly when the game has ended and the
9045 * premove highlights are still on the board.
9049 ClearPremoveHighlights();
9050 DrawPosition(FALSE, boards[currentMove]);
9052 if (whosays == GE_ICS) {
9055 if (gameMode == IcsPlayingWhite)
9057 else if(gameMode == IcsPlayingBlack)
9061 if (gameMode == IcsPlayingBlack)
9063 else if(gameMode == IcsPlayingWhite)
9070 PlayIcsUnfinishedSound();
9073 } else if (gameMode == EditGame ||
9074 gameMode == PlayFromGameFile ||
9075 gameMode == AnalyzeMode ||
9076 gameMode == AnalyzeFile) {
9077 nextGameMode = gameMode;
9079 nextGameMode = EndOfGame;
9084 nextGameMode = gameMode;
9087 if (appData.noChessProgram) {
9088 gameMode = nextGameMode;
9090 endingGame = 0; /* [HGM] crash */
9095 /* Put first chess program into idle state */
9096 if (first.pr != NoProc &&
9097 (gameMode == MachinePlaysWhite ||
9098 gameMode == MachinePlaysBlack ||
9099 gameMode == TwoMachinesPlay ||
9100 gameMode == IcsPlayingWhite ||
9101 gameMode == IcsPlayingBlack ||
9102 gameMode == BeginningOfGame)) {
9103 SendToProgram("force\n", &first);
9104 if (first.usePing) {
9106 sprintf(buf, "ping %d\n", ++first.lastPing);
9107 SendToProgram(buf, &first);
9110 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9111 /* Kill off first chess program */
9112 if (first.isr != NULL)
9113 RemoveInputSource(first.isr);
9116 if (first.pr != NoProc) {
9118 DoSleep( appData.delayBeforeQuit );
9119 SendToProgram("quit\n", &first);
9120 DoSleep( appData.delayAfterQuit );
9121 DestroyChildProcess(first.pr, first.useSigterm);
9126 /* Put second chess program into idle state */
9127 if (second.pr != NoProc &&
9128 gameMode == TwoMachinesPlay) {
9129 SendToProgram("force\n", &second);
9130 if (second.usePing) {
9132 sprintf(buf, "ping %d\n", ++second.lastPing);
9133 SendToProgram(buf, &second);
9136 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9137 /* Kill off second chess program */
9138 if (second.isr != NULL)
9139 RemoveInputSource(second.isr);
9142 if (second.pr != NoProc) {
9143 DoSleep( appData.delayBeforeQuit );
9144 SendToProgram("quit\n", &second);
9145 DoSleep( appData.delayAfterQuit );
9146 DestroyChildProcess(second.pr, second.useSigterm);
9151 if (matchMode && gameMode == TwoMachinesPlay) {
9154 if (first.twoMachinesColor[0] == 'w') {
9161 if (first.twoMachinesColor[0] == 'b') {
9170 if (matchGame < appData.matchGames) {
9172 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9173 tmp = first.twoMachinesColor;
9174 first.twoMachinesColor = second.twoMachinesColor;
9175 second.twoMachinesColor = tmp;
9177 gameMode = nextGameMode;
9179 if(appData.matchPause>10000 || appData.matchPause<10)
9180 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9181 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9182 endingGame = 0; /* [HGM] crash */
9186 gameMode = nextGameMode;
9187 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9188 first.tidy, second.tidy,
9189 first.matchWins, second.matchWins,
9190 appData.matchGames - (first.matchWins + second.matchWins));
9191 DisplayFatalError(buf, 0, 0);
9194 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9195 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9197 gameMode = nextGameMode;
9199 endingGame = 0; /* [HGM] crash */
9202 /* Assumes program was just initialized (initString sent).
9203 Leaves program in force mode. */
9205 FeedMovesToProgram(cps, upto)
9206 ChessProgramState *cps;
9211 if (appData.debugMode)
9212 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9213 startedFromSetupPosition ? "position and " : "",
9214 backwardMostMove, upto, cps->which);
9215 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9216 // [HGM] variantswitch: make engine aware of new variant
9217 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9218 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9219 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9220 SendToProgram(buf, cps);
9221 currentlyInitializedVariant = gameInfo.variant;
9223 SendToProgram("force\n", cps);
9224 if (startedFromSetupPosition) {
9225 SendBoard(cps, backwardMostMove);
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "feedMoves\n");
9230 for (i = backwardMostMove; i < upto; i++) {
9231 SendMoveToProgram(i, cps);
9237 ResurrectChessProgram()
9239 /* The chess program may have exited.
9240 If so, restart it and feed it all the moves made so far. */
9242 if (appData.noChessProgram || first.pr != NoProc) return;
9244 StartChessProgram(&first);
9245 InitChessProgram(&first, FALSE);
9246 FeedMovesToProgram(&first, currentMove);
9248 if (!first.sendTime) {
9249 /* can't tell gnuchess what its clock should read,
9250 so we bow to its notion. */
9252 timeRemaining[0][currentMove] = whiteTimeRemaining;
9253 timeRemaining[1][currentMove] = blackTimeRemaining;
9256 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9257 appData.icsEngineAnalyze) && first.analysisSupport) {
9258 SendToProgram("analyze\n", &first);
9259 first.analyzing = TRUE;
9272 if (appData.debugMode) {
9273 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9274 redraw, init, gameMode);
9276 CleanupTail(); // [HGM] vari: delete any stored variations
9277 pausing = pauseExamInvalid = FALSE;
9278 startedFromSetupPosition = blackPlaysFirst = FALSE;
9280 whiteFlag = blackFlag = FALSE;
9281 userOfferedDraw = FALSE;
9282 hintRequested = bookRequested = FALSE;
9283 first.maybeThinking = FALSE;
9284 second.maybeThinking = FALSE;
9285 first.bookSuspend = FALSE; // [HGM] book
9286 second.bookSuspend = FALSE;
9287 thinkOutput[0] = NULLCHAR;
9288 lastHint[0] = NULLCHAR;
9289 ClearGameInfo(&gameInfo);
9290 gameInfo.variant = StringToVariant(appData.variant);
9291 ics_user_moved = ics_clock_paused = FALSE;
9292 ics_getting_history = H_FALSE;
9294 white_holding[0] = black_holding[0] = NULLCHAR;
9295 ClearProgramStats();
9296 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9300 flipView = appData.flipView;
9301 ClearPremoveHighlights();
9303 alarmSounded = FALSE;
9305 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9306 if(appData.serverMovesName != NULL) {
9307 /* [HGM] prepare to make moves file for broadcasting */
9308 clock_t t = clock();
9309 if(serverMoves != NULL) fclose(serverMoves);
9310 serverMoves = fopen(appData.serverMovesName, "r");
9311 if(serverMoves != NULL) {
9312 fclose(serverMoves);
9313 /* delay 15 sec before overwriting, so all clients can see end */
9314 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9316 serverMoves = fopen(appData.serverMovesName, "w");
9320 gameMode = BeginningOfGame;
9322 if(appData.icsActive) gameInfo.variant = VariantNormal;
9323 currentMove = forwardMostMove = backwardMostMove = 0;
9324 InitPosition(redraw);
9325 for (i = 0; i < MAX_MOVES; i++) {
9326 if (commentList[i] != NULL) {
9327 free(commentList[i]);
9328 commentList[i] = NULL;
9332 timeRemaining[0][0] = whiteTimeRemaining;
9333 timeRemaining[1][0] = blackTimeRemaining;
9334 if (first.pr == NULL) {
9335 StartChessProgram(&first);
9338 InitChessProgram(&first, startedFromSetupPosition);
9341 DisplayMessage("", "");
9342 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9343 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9350 if (!AutoPlayOneMove())
9352 if (matchMode || appData.timeDelay == 0)
9354 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9356 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9365 int fromX, fromY, toX, toY;
9367 if (appData.debugMode) {
9368 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9371 if (gameMode != PlayFromGameFile)
9374 if (currentMove >= forwardMostMove) {
9375 gameMode = EditGame;
9378 /* [AS] Clear current move marker at the end of a game */
9379 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9384 toX = moveList[currentMove][2] - AAA;
9385 toY = moveList[currentMove][3] - ONE;
9387 if (moveList[currentMove][1] == '@') {
9388 if (appData.highlightLastMove) {
9389 SetHighlights(-1, -1, toX, toY);
9392 fromX = moveList[currentMove][0] - AAA;
9393 fromY = moveList[currentMove][1] - ONE;
9395 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9397 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9399 if (appData.highlightLastMove) {
9400 SetHighlights(fromX, fromY, toX, toY);
9403 DisplayMove(currentMove);
9404 SendMoveToProgram(currentMove++, &first);
9405 DisplayBothClocks();
9406 DrawPosition(FALSE, boards[currentMove]);
9407 // [HGM] PV info: always display, routine tests if empty
9408 DisplayComment(currentMove - 1, commentList[currentMove]);
9414 LoadGameOneMove(readAhead)
9415 ChessMove readAhead;
9417 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9418 char promoChar = NULLCHAR;
9423 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9424 gameMode != AnalyzeMode && gameMode != Training) {
9429 yyboardindex = forwardMostMove;
9430 if (readAhead != (ChessMove)0) {
9431 moveType = readAhead;
9433 if (gameFileFP == NULL)
9435 moveType = (ChessMove) yylex();
9441 if (appData.debugMode)
9442 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9445 /* append the comment but don't display it */
9446 AppendComment(currentMove, p, FALSE);
9449 case WhiteCapturesEnPassant:
9450 case BlackCapturesEnPassant:
9451 case WhitePromotionChancellor:
9452 case BlackPromotionChancellor:
9453 case WhitePromotionArchbishop:
9454 case BlackPromotionArchbishop:
9455 case WhitePromotionCentaur:
9456 case BlackPromotionCentaur:
9457 case WhitePromotionQueen:
9458 case BlackPromotionQueen:
9459 case WhitePromotionRook:
9460 case BlackPromotionRook:
9461 case WhitePromotionBishop:
9462 case BlackPromotionBishop:
9463 case WhitePromotionKnight:
9464 case BlackPromotionKnight:
9465 case WhitePromotionKing:
9466 case BlackPromotionKing:
9468 case WhiteKingSideCastle:
9469 case WhiteQueenSideCastle:
9470 case BlackKingSideCastle:
9471 case BlackQueenSideCastle:
9472 case WhiteKingSideCastleWild:
9473 case WhiteQueenSideCastleWild:
9474 case BlackKingSideCastleWild:
9475 case BlackQueenSideCastleWild:
9477 case WhiteHSideCastleFR:
9478 case WhiteASideCastleFR:
9479 case BlackHSideCastleFR:
9480 case BlackASideCastleFR:
9482 if (appData.debugMode)
9483 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9484 fromX = currentMoveString[0] - AAA;
9485 fromY = currentMoveString[1] - ONE;
9486 toX = currentMoveString[2] - AAA;
9487 toY = currentMoveString[3] - ONE;
9488 promoChar = currentMoveString[4];
9493 if (appData.debugMode)
9494 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9495 fromX = moveType == WhiteDrop ?
9496 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9497 (int) CharToPiece(ToLower(currentMoveString[0]));
9499 toX = currentMoveString[2] - AAA;
9500 toY = currentMoveString[3] - ONE;
9506 case GameUnfinished:
9507 if (appData.debugMode)
9508 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9509 p = strchr(yy_text, '{');
9510 if (p == NULL) p = strchr(yy_text, '(');
9513 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9515 q = strchr(p, *p == '{' ? '}' : ')');
9516 if (q != NULL) *q = NULLCHAR;
9519 GameEnds(moveType, p, GE_FILE);
9521 if (cmailMsgLoaded) {
9523 flipView = WhiteOnMove(currentMove);
9524 if (moveType == GameUnfinished) flipView = !flipView;
9525 if (appData.debugMode)
9526 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9530 case (ChessMove) 0: /* end of file */
9531 if (appData.debugMode)
9532 fprintf(debugFP, "Parser hit end of file\n");
9533 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9539 if (WhiteOnMove(currentMove)) {
9540 GameEnds(BlackWins, "Black mates", GE_FILE);
9542 GameEnds(WhiteWins, "White mates", GE_FILE);
9546 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9553 if (lastLoadGameStart == GNUChessGame) {
9554 /* GNUChessGames have numbers, but they aren't move numbers */
9555 if (appData.debugMode)
9556 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9557 yy_text, (int) moveType);
9558 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9560 /* else fall thru */
9565 /* Reached start of next game in file */
9566 if (appData.debugMode)
9567 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9568 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9574 if (WhiteOnMove(currentMove)) {
9575 GameEnds(BlackWins, "Black mates", GE_FILE);
9577 GameEnds(WhiteWins, "White mates", GE_FILE);
9581 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9587 case PositionDiagram: /* should not happen; ignore */
9588 case ElapsedTime: /* ignore */
9589 case NAG: /* ignore */
9590 if (appData.debugMode)
9591 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9592 yy_text, (int) moveType);
9593 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9596 if (appData.testLegality) {
9597 if (appData.debugMode)
9598 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9599 sprintf(move, _("Illegal move: %d.%s%s"),
9600 (forwardMostMove / 2) + 1,
9601 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9602 DisplayError(move, 0);
9605 if (appData.debugMode)
9606 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9607 yy_text, currentMoveString);
9608 fromX = currentMoveString[0] - AAA;
9609 fromY = currentMoveString[1] - ONE;
9610 toX = currentMoveString[2] - AAA;
9611 toY = currentMoveString[3] - ONE;
9612 promoChar = currentMoveString[4];
9617 if (appData.debugMode)
9618 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9619 sprintf(move, _("Ambiguous move: %d.%s%s"),
9620 (forwardMostMove / 2) + 1,
9621 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9622 DisplayError(move, 0);
9627 case ImpossibleMove:
9628 if (appData.debugMode)
9629 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9630 sprintf(move, _("Illegal move: %d.%s%s"),
9631 (forwardMostMove / 2) + 1,
9632 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9633 DisplayError(move, 0);
9639 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9640 DrawPosition(FALSE, boards[currentMove]);
9641 DisplayBothClocks();
9642 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9643 DisplayComment(currentMove - 1, commentList[currentMove]);
9645 (void) StopLoadGameTimer();
9647 cmailOldMove = forwardMostMove;
9650 /* currentMoveString is set as a side-effect of yylex */
9651 strcat(currentMoveString, "\n");
9652 strcpy(moveList[forwardMostMove], currentMoveString);
9654 thinkOutput[0] = NULLCHAR;
9655 MakeMove(fromX, fromY, toX, toY, promoChar);
9656 currentMove = forwardMostMove;
9661 /* Load the nth game from the given file */
9663 LoadGameFromFile(filename, n, title, useList)
9667 /*Boolean*/ int useList;
9672 if (strcmp(filename, "-") == 0) {
9676 f = fopen(filename, "rb");
9678 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9679 DisplayError(buf, errno);
9683 if (fseek(f, 0, 0) == -1) {
9684 /* f is not seekable; probably a pipe */
9687 if (useList && n == 0) {
9688 int error = GameListBuild(f);
9690 DisplayError(_("Cannot build game list"), error);
9691 } else if (!ListEmpty(&gameList) &&
9692 ((ListGame *) gameList.tailPred)->number > 1) {
9693 GameListPopUp(f, title);
9700 return LoadGame(f, n, title, FALSE);
9705 MakeRegisteredMove()
9707 int fromX, fromY, toX, toY;
9709 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9710 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9713 if (appData.debugMode)
9714 fprintf(debugFP, "Restoring %s for game %d\n",
9715 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9717 thinkOutput[0] = NULLCHAR;
9718 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9719 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9720 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9721 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9722 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9723 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9724 MakeMove(fromX, fromY, toX, toY, promoChar);
9725 ShowMove(fromX, fromY, toX, toY);
9727 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9734 if (WhiteOnMove(currentMove)) {
9735 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9737 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9742 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9749 if (WhiteOnMove(currentMove)) {
9750 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9752 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9757 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9768 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9770 CmailLoadGame(f, gameNumber, title, useList)
9778 if (gameNumber > nCmailGames) {
9779 DisplayError(_("No more games in this message"), 0);
9782 if (f == lastLoadGameFP) {
9783 int offset = gameNumber - lastLoadGameNumber;
9785 cmailMsg[0] = NULLCHAR;
9786 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9787 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9788 nCmailMovesRegistered--;
9790 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9791 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9792 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9795 if (! RegisterMove()) return FALSE;
9799 retVal = LoadGame(f, gameNumber, title, useList);
9801 /* Make move registered during previous look at this game, if any */
9802 MakeRegisteredMove();
9804 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9805 commentList[currentMove]
9806 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9807 DisplayComment(currentMove - 1, commentList[currentMove]);
9813 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9818 int gameNumber = lastLoadGameNumber + offset;
9819 if (lastLoadGameFP == NULL) {
9820 DisplayError(_("No game has been loaded yet"), 0);
9823 if (gameNumber <= 0) {
9824 DisplayError(_("Can't back up any further"), 0);
9827 if (cmailMsgLoaded) {
9828 return CmailLoadGame(lastLoadGameFP, gameNumber,
9829 lastLoadGameTitle, lastLoadGameUseList);
9831 return LoadGame(lastLoadGameFP, gameNumber,
9832 lastLoadGameTitle, lastLoadGameUseList);
9838 /* Load the nth game from open file f */
9840 LoadGame(f, gameNumber, title, useList)
9848 int gn = gameNumber;
9849 ListGame *lg = NULL;
9852 GameMode oldGameMode;
9853 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9855 if (appData.debugMode)
9856 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9858 if (gameMode == Training )
9859 SetTrainingModeOff();
9861 oldGameMode = gameMode;
9862 if (gameMode != BeginningOfGame) {
9867 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9868 fclose(lastLoadGameFP);
9872 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9875 fseek(f, lg->offset, 0);
9876 GameListHighlight(gameNumber);
9880 DisplayError(_("Game number out of range"), 0);
9885 if (fseek(f, 0, 0) == -1) {
9886 if (f == lastLoadGameFP ?
9887 gameNumber == lastLoadGameNumber + 1 :
9891 DisplayError(_("Can't seek on game file"), 0);
9897 lastLoadGameNumber = gameNumber;
9898 strcpy(lastLoadGameTitle, title);
9899 lastLoadGameUseList = useList;
9903 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9904 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9905 lg->gameInfo.black);
9907 } else if (*title != NULLCHAR) {
9908 if (gameNumber > 1) {
9909 sprintf(buf, "%s %d", title, gameNumber);
9912 DisplayTitle(title);
9916 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9917 gameMode = PlayFromGameFile;
9921 currentMove = forwardMostMove = backwardMostMove = 0;
9922 CopyBoard(boards[0], initialPosition);
9926 * Skip the first gn-1 games in the file.
9927 * Also skip over anything that precedes an identifiable
9928 * start of game marker, to avoid being confused by
9929 * garbage at the start of the file. Currently
9930 * recognized start of game markers are the move number "1",
9931 * the pattern "gnuchess .* game", the pattern
9932 * "^[#;%] [^ ]* game file", and a PGN tag block.
9933 * A game that starts with one of the latter two patterns
9934 * will also have a move number 1, possibly
9935 * following a position diagram.
9936 * 5-4-02: Let's try being more lenient and allowing a game to
9937 * start with an unnumbered move. Does that break anything?
9939 cm = lastLoadGameStart = (ChessMove) 0;
9941 yyboardindex = forwardMostMove;
9942 cm = (ChessMove) yylex();
9945 if (cmailMsgLoaded) {
9946 nCmailGames = CMAIL_MAX_GAMES - gn;
9949 DisplayError(_("Game not found in file"), 0);
9956 lastLoadGameStart = cm;
9960 switch (lastLoadGameStart) {
9967 gn--; /* count this game */
9968 lastLoadGameStart = cm;
9977 switch (lastLoadGameStart) {
9982 gn--; /* count this game */
9983 lastLoadGameStart = cm;
9986 lastLoadGameStart = cm; /* game counted already */
9994 yyboardindex = forwardMostMove;
9995 cm = (ChessMove) yylex();
9996 } while (cm == PGNTag || cm == Comment);
10003 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10004 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10005 != CMAIL_OLD_RESULT) {
10007 cmailResult[ CMAIL_MAX_GAMES
10008 - gn - 1] = CMAIL_OLD_RESULT;
10014 /* Only a NormalMove can be at the start of a game
10015 * without a position diagram. */
10016 if (lastLoadGameStart == (ChessMove) 0) {
10018 lastLoadGameStart = MoveNumberOne;
10027 if (appData.debugMode)
10028 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10030 if (cm == XBoardGame) {
10031 /* Skip any header junk before position diagram and/or move 1 */
10033 yyboardindex = forwardMostMove;
10034 cm = (ChessMove) yylex();
10036 if (cm == (ChessMove) 0 ||
10037 cm == GNUChessGame || cm == XBoardGame) {
10038 /* Empty game; pretend end-of-file and handle later */
10039 cm = (ChessMove) 0;
10043 if (cm == MoveNumberOne || cm == PositionDiagram ||
10044 cm == PGNTag || cm == Comment)
10047 } else if (cm == GNUChessGame) {
10048 if (gameInfo.event != NULL) {
10049 free(gameInfo.event);
10051 gameInfo.event = StrSave(yy_text);
10054 startedFromSetupPosition = FALSE;
10055 while (cm == PGNTag) {
10056 if (appData.debugMode)
10057 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10058 err = ParsePGNTag(yy_text, &gameInfo);
10059 if (!err) numPGNTags++;
10061 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10062 if(gameInfo.variant != oldVariant) {
10063 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10064 InitPosition(TRUE);
10065 oldVariant = gameInfo.variant;
10066 if (appData.debugMode)
10067 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10071 if (gameInfo.fen != NULL) {
10072 Board initial_position;
10073 startedFromSetupPosition = TRUE;
10074 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10076 DisplayError(_("Bad FEN position in file"), 0);
10079 CopyBoard(boards[0], initial_position);
10080 if (blackPlaysFirst) {
10081 currentMove = forwardMostMove = backwardMostMove = 1;
10082 CopyBoard(boards[1], initial_position);
10083 strcpy(moveList[0], "");
10084 strcpy(parseList[0], "");
10085 timeRemaining[0][1] = whiteTimeRemaining;
10086 timeRemaining[1][1] = blackTimeRemaining;
10087 if (commentList[0] != NULL) {
10088 commentList[1] = commentList[0];
10089 commentList[0] = NULL;
10092 currentMove = forwardMostMove = backwardMostMove = 0;
10094 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10096 initialRulePlies = FENrulePlies;
10097 for( i=0; i< nrCastlingRights; i++ )
10098 initialRights[i] = initial_position[CASTLING][i];
10100 yyboardindex = forwardMostMove;
10101 free(gameInfo.fen);
10102 gameInfo.fen = NULL;
10105 yyboardindex = forwardMostMove;
10106 cm = (ChessMove) yylex();
10108 /* Handle comments interspersed among the tags */
10109 while (cm == Comment) {
10111 if (appData.debugMode)
10112 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10114 AppendComment(currentMove, p, FALSE);
10115 yyboardindex = forwardMostMove;
10116 cm = (ChessMove) yylex();
10120 /* don't rely on existence of Event tag since if game was
10121 * pasted from clipboard the Event tag may not exist
10123 if (numPGNTags > 0){
10125 if (gameInfo.variant == VariantNormal) {
10126 gameInfo.variant = StringToVariant(gameInfo.event);
10129 if( appData.autoDisplayTags ) {
10130 tags = PGNTags(&gameInfo);
10131 TagsPopUp(tags, CmailMsg());
10136 /* Make something up, but don't display it now */
10141 if (cm == PositionDiagram) {
10144 Board initial_position;
10146 if (appData.debugMode)
10147 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10149 if (!startedFromSetupPosition) {
10151 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10152 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10162 initial_position[i][j++] = CharToPiece(*p);
10165 while (*p == ' ' || *p == '\t' ||
10166 *p == '\n' || *p == '\r') p++;
10168 if (strncmp(p, "black", strlen("black"))==0)
10169 blackPlaysFirst = TRUE;
10171 blackPlaysFirst = FALSE;
10172 startedFromSetupPosition = TRUE;
10174 CopyBoard(boards[0], initial_position);
10175 if (blackPlaysFirst) {
10176 currentMove = forwardMostMove = backwardMostMove = 1;
10177 CopyBoard(boards[1], initial_position);
10178 strcpy(moveList[0], "");
10179 strcpy(parseList[0], "");
10180 timeRemaining[0][1] = whiteTimeRemaining;
10181 timeRemaining[1][1] = blackTimeRemaining;
10182 if (commentList[0] != NULL) {
10183 commentList[1] = commentList[0];
10184 commentList[0] = NULL;
10187 currentMove = forwardMostMove = backwardMostMove = 0;
10190 yyboardindex = forwardMostMove;
10191 cm = (ChessMove) yylex();
10194 if (first.pr == NoProc) {
10195 StartChessProgram(&first);
10197 InitChessProgram(&first, FALSE);
10198 SendToProgram("force\n", &first);
10199 if (startedFromSetupPosition) {
10200 SendBoard(&first, forwardMostMove);
10201 if (appData.debugMode) {
10202 fprintf(debugFP, "Load Game\n");
10204 DisplayBothClocks();
10207 /* [HGM] server: flag to write setup moves in broadcast file as one */
10208 loadFlag = appData.suppressLoadMoves;
10210 while (cm == Comment) {
10212 if (appData.debugMode)
10213 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10215 AppendComment(currentMove, p, FALSE);
10216 yyboardindex = forwardMostMove;
10217 cm = (ChessMove) yylex();
10220 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10221 cm == WhiteWins || cm == BlackWins ||
10222 cm == GameIsDrawn || cm == GameUnfinished) {
10223 DisplayMessage("", _("No moves in game"));
10224 if (cmailMsgLoaded) {
10225 if (appData.debugMode)
10226 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10230 DrawPosition(FALSE, boards[currentMove]);
10231 DisplayBothClocks();
10232 gameMode = EditGame;
10239 // [HGM] PV info: routine tests if comment empty
10240 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10241 DisplayComment(currentMove - 1, commentList[currentMove]);
10243 if (!matchMode && appData.timeDelay != 0)
10244 DrawPosition(FALSE, boards[currentMove]);
10246 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10247 programStats.ok_to_send = 1;
10250 /* if the first token after the PGN tags is a move
10251 * and not move number 1, retrieve it from the parser
10253 if (cm != MoveNumberOne)
10254 LoadGameOneMove(cm);
10256 /* load the remaining moves from the file */
10257 while (LoadGameOneMove((ChessMove)0)) {
10258 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10259 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10262 /* rewind to the start of the game */
10263 currentMove = backwardMostMove;
10265 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10267 if (oldGameMode == AnalyzeFile ||
10268 oldGameMode == AnalyzeMode) {
10269 AnalyzeFileEvent();
10272 if (matchMode || appData.timeDelay == 0) {
10274 gameMode = EditGame;
10276 } else if (appData.timeDelay > 0) {
10277 AutoPlayGameLoop();
10280 if (appData.debugMode)
10281 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10283 loadFlag = 0; /* [HGM] true game starts */
10287 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10289 ReloadPosition(offset)
10292 int positionNumber = lastLoadPositionNumber + offset;
10293 if (lastLoadPositionFP == NULL) {
10294 DisplayError(_("No position has been loaded yet"), 0);
10297 if (positionNumber <= 0) {
10298 DisplayError(_("Can't back up any further"), 0);
10301 return LoadPosition(lastLoadPositionFP, positionNumber,
10302 lastLoadPositionTitle);
10305 /* Load the nth position from the given file */
10307 LoadPositionFromFile(filename, n, title)
10315 if (strcmp(filename, "-") == 0) {
10316 return LoadPosition(stdin, n, "stdin");
10318 f = fopen(filename, "rb");
10320 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10321 DisplayError(buf, errno);
10324 return LoadPosition(f, n, title);
10329 /* Load the nth position from the given open file, and close it */
10331 LoadPosition(f, positionNumber, title)
10333 int positionNumber;
10336 char *p, line[MSG_SIZ];
10337 Board initial_position;
10338 int i, j, fenMode, pn;
10340 if (gameMode == Training )
10341 SetTrainingModeOff();
10343 if (gameMode != BeginningOfGame) {
10344 Reset(FALSE, TRUE);
10346 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10347 fclose(lastLoadPositionFP);
10349 if (positionNumber == 0) positionNumber = 1;
10350 lastLoadPositionFP = f;
10351 lastLoadPositionNumber = positionNumber;
10352 strcpy(lastLoadPositionTitle, title);
10353 if (first.pr == NoProc) {
10354 StartChessProgram(&first);
10355 InitChessProgram(&first, FALSE);
10357 pn = positionNumber;
10358 if (positionNumber < 0) {
10359 /* Negative position number means to seek to that byte offset */
10360 if (fseek(f, -positionNumber, 0) == -1) {
10361 DisplayError(_("Can't seek on position file"), 0);
10366 if (fseek(f, 0, 0) == -1) {
10367 if (f == lastLoadPositionFP ?
10368 positionNumber == lastLoadPositionNumber + 1 :
10369 positionNumber == 1) {
10372 DisplayError(_("Can't seek on position file"), 0);
10377 /* See if this file is FEN or old-style xboard */
10378 if (fgets(line, MSG_SIZ, f) == NULL) {
10379 DisplayError(_("Position not found in file"), 0);
10382 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10383 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10386 if (fenMode || line[0] == '#') pn--;
10388 /* skip positions before number pn */
10389 if (fgets(line, MSG_SIZ, f) == NULL) {
10391 DisplayError(_("Position not found in file"), 0);
10394 if (fenMode || line[0] == '#') pn--;
10399 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10400 DisplayError(_("Bad FEN position in file"), 0);
10404 (void) fgets(line, MSG_SIZ, f);
10405 (void) fgets(line, MSG_SIZ, f);
10407 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10408 (void) fgets(line, MSG_SIZ, f);
10409 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10412 initial_position[i][j++] = CharToPiece(*p);
10416 blackPlaysFirst = FALSE;
10418 (void) fgets(line, MSG_SIZ, f);
10419 if (strncmp(line, "black", strlen("black"))==0)
10420 blackPlaysFirst = TRUE;
10423 startedFromSetupPosition = TRUE;
10425 SendToProgram("force\n", &first);
10426 CopyBoard(boards[0], initial_position);
10427 if (blackPlaysFirst) {
10428 currentMove = forwardMostMove = backwardMostMove = 1;
10429 strcpy(moveList[0], "");
10430 strcpy(parseList[0], "");
10431 CopyBoard(boards[1], initial_position);
10432 DisplayMessage("", _("Black to play"));
10434 currentMove = forwardMostMove = backwardMostMove = 0;
10435 DisplayMessage("", _("White to play"));
10437 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10438 SendBoard(&first, forwardMostMove);
10439 if (appData.debugMode) {
10441 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10442 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10443 fprintf(debugFP, "Load Position\n");
10446 if (positionNumber > 1) {
10447 sprintf(line, "%s %d", title, positionNumber);
10448 DisplayTitle(line);
10450 DisplayTitle(title);
10452 gameMode = EditGame;
10455 timeRemaining[0][1] = whiteTimeRemaining;
10456 timeRemaining[1][1] = blackTimeRemaining;
10457 DrawPosition(FALSE, boards[currentMove]);
10464 CopyPlayerNameIntoFileName(dest, src)
10467 while (*src != NULLCHAR && *src != ',') {
10472 *(*dest)++ = *src++;
10477 char *DefaultFileName(ext)
10480 static char def[MSG_SIZ];
10483 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10485 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10487 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10496 /* Save the current game to the given file */
10498 SaveGameToFile(filename, append)
10505 if (strcmp(filename, "-") == 0) {
10506 return SaveGame(stdout, 0, NULL);
10508 f = fopen(filename, append ? "a" : "w");
10510 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10511 DisplayError(buf, errno);
10514 return SaveGame(f, 0, NULL);
10523 static char buf[MSG_SIZ];
10526 p = strchr(str, ' ');
10527 if (p == NULL) return str;
10528 strncpy(buf, str, p - str);
10529 buf[p - str] = NULLCHAR;
10533 #define PGN_MAX_LINE 75
10535 #define PGN_SIDE_WHITE 0
10536 #define PGN_SIDE_BLACK 1
10539 static int FindFirstMoveOutOfBook( int side )
10543 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10544 int index = backwardMostMove;
10545 int has_book_hit = 0;
10547 if( (index % 2) != side ) {
10551 while( index < forwardMostMove ) {
10552 /* Check to see if engine is in book */
10553 int depth = pvInfoList[index].depth;
10554 int score = pvInfoList[index].score;
10560 else if( score == 0 && depth == 63 ) {
10561 in_book = 1; /* Zappa */
10563 else if( score == 2 && depth == 99 ) {
10564 in_book = 1; /* Abrok */
10567 has_book_hit += in_book;
10583 void GetOutOfBookInfo( char * buf )
10587 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10589 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10590 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10594 if( oob[0] >= 0 || oob[1] >= 0 ) {
10595 for( i=0; i<2; i++ ) {
10599 if( i > 0 && oob[0] >= 0 ) {
10600 strcat( buf, " " );
10603 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10604 sprintf( buf+strlen(buf), "%s%.2f",
10605 pvInfoList[idx].score >= 0 ? "+" : "",
10606 pvInfoList[idx].score / 100.0 );
10612 /* Save game in PGN style and close the file */
10617 int i, offset, linelen, newblock;
10621 int movelen, numlen, blank;
10622 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10624 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10626 tm = time((time_t *) NULL);
10628 PrintPGNTags(f, &gameInfo);
10630 if (backwardMostMove > 0 || startedFromSetupPosition) {
10631 char *fen = PositionToFEN(backwardMostMove, NULL);
10632 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10633 fprintf(f, "\n{--------------\n");
10634 PrintPosition(f, backwardMostMove);
10635 fprintf(f, "--------------}\n");
10639 /* [AS] Out of book annotation */
10640 if( appData.saveOutOfBookInfo ) {
10643 GetOutOfBookInfo( buf );
10645 if( buf[0] != '\0' ) {
10646 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10653 i = backwardMostMove;
10657 while (i < forwardMostMove) {
10658 /* Print comments preceding this move */
10659 if (commentList[i] != NULL) {
10660 if (linelen > 0) fprintf(f, "\n");
10661 fprintf(f, "%s", commentList[i]);
10666 /* Format move number */
10667 if ((i % 2) == 0) {
10668 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10671 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10673 numtext[0] = NULLCHAR;
10676 numlen = strlen(numtext);
10679 /* Print move number */
10680 blank = linelen > 0 && numlen > 0;
10681 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10690 fprintf(f, "%s", numtext);
10694 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10695 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10698 blank = linelen > 0 && movelen > 0;
10699 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10708 fprintf(f, "%s", move_buffer);
10709 linelen += movelen;
10711 /* [AS] Add PV info if present */
10712 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10713 /* [HGM] add time */
10714 char buf[MSG_SIZ]; int seconds;
10716 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10718 if( seconds <= 0) buf[0] = 0; else
10719 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10720 seconds = (seconds + 4)/10; // round to full seconds
10721 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10722 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10725 sprintf( move_buffer, "{%s%.2f/%d%s}",
10726 pvInfoList[i].score >= 0 ? "+" : "",
10727 pvInfoList[i].score / 100.0,
10728 pvInfoList[i].depth,
10731 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10733 /* Print score/depth */
10734 blank = linelen > 0 && movelen > 0;
10735 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10744 fprintf(f, "%s", move_buffer);
10745 linelen += movelen;
10751 /* Start a new line */
10752 if (linelen > 0) fprintf(f, "\n");
10754 /* Print comments after last move */
10755 if (commentList[i] != NULL) {
10756 fprintf(f, "%s\n", commentList[i]);
10760 if (gameInfo.resultDetails != NULL &&
10761 gameInfo.resultDetails[0] != NULLCHAR) {
10762 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10763 PGNResult(gameInfo.result));
10765 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10769 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10773 /* Save game in old style and close the file */
10775 SaveGameOldStyle(f)
10781 tm = time((time_t *) NULL);
10783 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10786 if (backwardMostMove > 0 || startedFromSetupPosition) {
10787 fprintf(f, "\n[--------------\n");
10788 PrintPosition(f, backwardMostMove);
10789 fprintf(f, "--------------]\n");
10794 i = backwardMostMove;
10795 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10797 while (i < forwardMostMove) {
10798 if (commentList[i] != NULL) {
10799 fprintf(f, "[%s]\n", commentList[i]);
10802 if ((i % 2) == 1) {
10803 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10806 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10808 if (commentList[i] != NULL) {
10812 if (i >= forwardMostMove) {
10816 fprintf(f, "%s\n", parseList[i]);
10821 if (commentList[i] != NULL) {
10822 fprintf(f, "[%s]\n", commentList[i]);
10825 /* This isn't really the old style, but it's close enough */
10826 if (gameInfo.resultDetails != NULL &&
10827 gameInfo.resultDetails[0] != NULLCHAR) {
10828 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10829 gameInfo.resultDetails);
10831 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10838 /* Save the current game to open file f and close the file */
10840 SaveGame(f, dummy, dummy2)
10845 if (gameMode == EditPosition) EditPositionDone(TRUE);
10846 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10847 if (appData.oldSaveStyle)
10848 return SaveGameOldStyle(f);
10850 return SaveGamePGN(f);
10853 /* Save the current position to the given file */
10855 SavePositionToFile(filename)
10861 if (strcmp(filename, "-") == 0) {
10862 return SavePosition(stdout, 0, NULL);
10864 f = fopen(filename, "a");
10866 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10867 DisplayError(buf, errno);
10870 SavePosition(f, 0, NULL);
10876 /* Save the current position to the given open file and close the file */
10878 SavePosition(f, dummy, dummy2)
10886 if (gameMode == EditPosition) EditPositionDone(TRUE);
10887 if (appData.oldSaveStyle) {
10888 tm = time((time_t *) NULL);
10890 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10892 fprintf(f, "[--------------\n");
10893 PrintPosition(f, currentMove);
10894 fprintf(f, "--------------]\n");
10896 fen = PositionToFEN(currentMove, NULL);
10897 fprintf(f, "%s\n", fen);
10905 ReloadCmailMsgEvent(unregister)
10909 static char *inFilename = NULL;
10910 static char *outFilename;
10912 struct stat inbuf, outbuf;
10915 /* Any registered moves are unregistered if unregister is set, */
10916 /* i.e. invoked by the signal handler */
10918 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10919 cmailMoveRegistered[i] = FALSE;
10920 if (cmailCommentList[i] != NULL) {
10921 free(cmailCommentList[i]);
10922 cmailCommentList[i] = NULL;
10925 nCmailMovesRegistered = 0;
10928 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10929 cmailResult[i] = CMAIL_NOT_RESULT;
10933 if (inFilename == NULL) {
10934 /* Because the filenames are static they only get malloced once */
10935 /* and they never get freed */
10936 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10937 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10939 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10940 sprintf(outFilename, "%s.out", appData.cmailGameName);
10943 status = stat(outFilename, &outbuf);
10945 cmailMailedMove = FALSE;
10947 status = stat(inFilename, &inbuf);
10948 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10951 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10952 counts the games, notes how each one terminated, etc.
10954 It would be nice to remove this kludge and instead gather all
10955 the information while building the game list. (And to keep it
10956 in the game list nodes instead of having a bunch of fixed-size
10957 parallel arrays.) Note this will require getting each game's
10958 termination from the PGN tags, as the game list builder does
10959 not process the game moves. --mann
10961 cmailMsgLoaded = TRUE;
10962 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10964 /* Load first game in the file or popup game menu */
10965 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10967 #endif /* !WIN32 */
10975 char string[MSG_SIZ];
10977 if ( cmailMailedMove
10978 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10979 return TRUE; /* Allow free viewing */
10982 /* Unregister move to ensure that we don't leave RegisterMove */
10983 /* with the move registered when the conditions for registering no */
10985 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10986 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10987 nCmailMovesRegistered --;
10989 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10991 free(cmailCommentList[lastLoadGameNumber - 1]);
10992 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10996 if (cmailOldMove == -1) {
10997 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11001 if (currentMove > cmailOldMove + 1) {
11002 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11006 if (currentMove < cmailOldMove) {
11007 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11011 if (forwardMostMove > currentMove) {
11012 /* Silently truncate extra moves */
11016 if ( (currentMove == cmailOldMove + 1)
11017 || ( (currentMove == cmailOldMove)
11018 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11019 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11020 if (gameInfo.result != GameUnfinished) {
11021 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11024 if (commentList[currentMove] != NULL) {
11025 cmailCommentList[lastLoadGameNumber - 1]
11026 = StrSave(commentList[currentMove]);
11028 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11030 if (appData.debugMode)
11031 fprintf(debugFP, "Saving %s for game %d\n",
11032 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11035 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11037 f = fopen(string, "w");
11038 if (appData.oldSaveStyle) {
11039 SaveGameOldStyle(f); /* also closes the file */
11041 sprintf(string, "%s.pos.out", appData.cmailGameName);
11042 f = fopen(string, "w");
11043 SavePosition(f, 0, NULL); /* also closes the file */
11045 fprintf(f, "{--------------\n");
11046 PrintPosition(f, currentMove);
11047 fprintf(f, "--------------}\n\n");
11049 SaveGame(f, 0, NULL); /* also closes the file*/
11052 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11053 nCmailMovesRegistered ++;
11054 } else if (nCmailGames == 1) {
11055 DisplayError(_("You have not made a move yet"), 0);
11066 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11067 FILE *commandOutput;
11068 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11069 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11075 if (! cmailMsgLoaded) {
11076 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11080 if (nCmailGames == nCmailResults) {
11081 DisplayError(_("No unfinished games"), 0);
11085 #if CMAIL_PROHIBIT_REMAIL
11086 if (cmailMailedMove) {
11087 sprintf(msg, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
11088 DisplayError(msg, 0);
11093 if (! (cmailMailedMove || RegisterMove())) return;
11095 if ( cmailMailedMove
11096 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11097 sprintf(string, partCommandString,
11098 appData.debugMode ? " -v" : "", appData.cmailGameName);
11099 commandOutput = popen(string, "r");
11101 if (commandOutput == NULL) {
11102 DisplayError(_("Failed to invoke cmail"), 0);
11104 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11105 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11107 if (nBuffers > 1) {
11108 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11109 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11110 nBytes = MSG_SIZ - 1;
11112 (void) memcpy(msg, buffer, nBytes);
11114 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11116 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11117 cmailMailedMove = TRUE; /* Prevent >1 moves */
11120 for (i = 0; i < nCmailGames; i ++) {
11121 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11126 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11128 sprintf(buffer, "%s/%s.%s.archive",
11130 appData.cmailGameName,
11132 LoadGameFromFile(buffer, 1, buffer, FALSE);
11133 cmailMsgLoaded = FALSE;
11137 DisplayInformation(msg);
11138 pclose(commandOutput);
11141 if ((*cmailMsg) != '\0') {
11142 DisplayInformation(cmailMsg);
11147 #endif /* !WIN32 */
11156 int prependComma = 0;
11158 char string[MSG_SIZ]; /* Space for game-list */
11161 if (!cmailMsgLoaded) return "";
11163 if (cmailMailedMove) {
11164 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11166 /* Create a list of games left */
11167 sprintf(string, "[");
11168 for (i = 0; i < nCmailGames; i ++) {
11169 if (! ( cmailMoveRegistered[i]
11170 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11171 if (prependComma) {
11172 sprintf(number, ",%d", i + 1);
11174 sprintf(number, "%d", i + 1);
11178 strcat(string, number);
11181 strcat(string, "]");
11183 if (nCmailMovesRegistered + nCmailResults == 0) {
11184 switch (nCmailGames) {
11187 _("Still need to make move for game\n"));
11192 _("Still need to make moves for both games\n"));
11197 _("Still need to make moves for all %d games\n"),
11202 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11205 _("Still need to make a move for game %s\n"),
11210 if (nCmailResults == nCmailGames) {
11211 sprintf(cmailMsg, _("No unfinished games\n"));
11213 sprintf(cmailMsg, _("Ready to send mail\n"));
11219 _("Still need to make moves for games %s\n"),
11231 if (gameMode == Training)
11232 SetTrainingModeOff();
11235 cmailMsgLoaded = FALSE;
11236 if (appData.icsActive) {
11237 SendToICS(ics_prefix);
11238 SendToICS("refresh\n");
11248 /* Give up on clean exit */
11252 /* Keep trying for clean exit */
11256 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11258 if (telnetISR != NULL) {
11259 RemoveInputSource(telnetISR);
11261 if (icsPR != NoProc) {
11262 DestroyChildProcess(icsPR, TRUE);
11265 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11266 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11268 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11269 /* make sure this other one finishes before killing it! */
11270 if(endingGame) { int count = 0;
11271 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11272 while(endingGame && count++ < 10) DoSleep(1);
11273 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11276 /* Kill off chess programs */
11277 if (first.pr != NoProc) {
11280 DoSleep( appData.delayBeforeQuit );
11281 SendToProgram("quit\n", &first);
11282 DoSleep( appData.delayAfterQuit );
11283 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11285 if (second.pr != NoProc) {
11286 DoSleep( appData.delayBeforeQuit );
11287 SendToProgram("quit\n", &second);
11288 DoSleep( appData.delayAfterQuit );
11289 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11291 if (first.isr != NULL) {
11292 RemoveInputSource(first.isr);
11294 if (second.isr != NULL) {
11295 RemoveInputSource(second.isr);
11298 ShutDownFrontEnd();
11305 if (appData.debugMode)
11306 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11310 if (gameMode == MachinePlaysWhite ||
11311 gameMode == MachinePlaysBlack) {
11314 DisplayBothClocks();
11316 if (gameMode == PlayFromGameFile) {
11317 if (appData.timeDelay >= 0)
11318 AutoPlayGameLoop();
11319 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11320 Reset(FALSE, TRUE);
11321 SendToICS(ics_prefix);
11322 SendToICS("refresh\n");
11323 } else if (currentMove < forwardMostMove) {
11324 ForwardInner(forwardMostMove);
11326 pauseExamInvalid = FALSE;
11328 switch (gameMode) {
11332 pauseExamForwardMostMove = forwardMostMove;
11333 pauseExamInvalid = FALSE;
11336 case IcsPlayingWhite:
11337 case IcsPlayingBlack:
11341 case PlayFromGameFile:
11342 (void) StopLoadGameTimer();
11346 case BeginningOfGame:
11347 if (appData.icsActive) return;
11348 /* else fall through */
11349 case MachinePlaysWhite:
11350 case MachinePlaysBlack:
11351 case TwoMachinesPlay:
11352 if (forwardMostMove == 0)
11353 return; /* don't pause if no one has moved */
11354 if ((gameMode == MachinePlaysWhite &&
11355 !WhiteOnMove(forwardMostMove)) ||
11356 (gameMode == MachinePlaysBlack &&
11357 WhiteOnMove(forwardMostMove))) {
11370 char title[MSG_SIZ];
11372 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11373 strcpy(title, _("Edit comment"));
11375 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11376 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11377 parseList[currentMove - 1]);
11380 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11387 char *tags = PGNTags(&gameInfo);
11388 EditTagsPopUp(tags);
11395 if (appData.noChessProgram || gameMode == AnalyzeMode)
11398 if (gameMode != AnalyzeFile) {
11399 if (!appData.icsEngineAnalyze) {
11401 if (gameMode != EditGame) return;
11403 ResurrectChessProgram();
11404 SendToProgram("analyze\n", &first);
11405 first.analyzing = TRUE;
11406 /*first.maybeThinking = TRUE;*/
11407 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11408 EngineOutputPopUp();
11410 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11415 StartAnalysisClock();
11416 GetTimeMark(&lastNodeCountTime);
11423 if (appData.noChessProgram || gameMode == AnalyzeFile)
11426 if (gameMode != AnalyzeMode) {
11428 if (gameMode != EditGame) return;
11429 ResurrectChessProgram();
11430 SendToProgram("analyze\n", &first);
11431 first.analyzing = TRUE;
11432 /*first.maybeThinking = TRUE;*/
11433 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11434 EngineOutputPopUp();
11436 gameMode = AnalyzeFile;
11441 StartAnalysisClock();
11442 GetTimeMark(&lastNodeCountTime);
11447 MachineWhiteEvent()
11450 char *bookHit = NULL;
11452 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11456 if (gameMode == PlayFromGameFile ||
11457 gameMode == TwoMachinesPlay ||
11458 gameMode == Training ||
11459 gameMode == AnalyzeMode ||
11460 gameMode == EndOfGame)
11463 if (gameMode == EditPosition)
11464 EditPositionDone(TRUE);
11466 if (!WhiteOnMove(currentMove)) {
11467 DisplayError(_("It is not White's turn"), 0);
11471 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11474 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11475 gameMode == AnalyzeFile)
11478 ResurrectChessProgram(); /* in case it isn't running */
11479 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11480 gameMode = MachinePlaysWhite;
11483 gameMode = MachinePlaysWhite;
11487 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11489 if (first.sendName) {
11490 sprintf(buf, "name %s\n", gameInfo.black);
11491 SendToProgram(buf, &first);
11493 if (first.sendTime) {
11494 if (first.useColors) {
11495 SendToProgram("black\n", &first); /*gnu kludge*/
11497 SendTimeRemaining(&first, TRUE);
11499 if (first.useColors) {
11500 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11502 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11503 SetMachineThinkingEnables();
11504 first.maybeThinking = TRUE;
11508 if (appData.autoFlipView && !flipView) {
11509 flipView = !flipView;
11510 DrawPosition(FALSE, NULL);
11511 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11514 if(bookHit) { // [HGM] book: simulate book reply
11515 static char bookMove[MSG_SIZ]; // a bit generous?
11517 programStats.nodes = programStats.depth = programStats.time =
11518 programStats.score = programStats.got_only_move = 0;
11519 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11521 strcpy(bookMove, "move ");
11522 strcat(bookMove, bookHit);
11523 HandleMachineMove(bookMove, &first);
11528 MachineBlackEvent()
11531 char *bookHit = NULL;
11533 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11537 if (gameMode == PlayFromGameFile ||
11538 gameMode == TwoMachinesPlay ||
11539 gameMode == Training ||
11540 gameMode == AnalyzeMode ||
11541 gameMode == EndOfGame)
11544 if (gameMode == EditPosition)
11545 EditPositionDone(TRUE);
11547 if (WhiteOnMove(currentMove)) {
11548 DisplayError(_("It is not Black's turn"), 0);
11552 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11555 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11556 gameMode == AnalyzeFile)
11559 ResurrectChessProgram(); /* in case it isn't running */
11560 gameMode = MachinePlaysBlack;
11564 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11566 if (first.sendName) {
11567 sprintf(buf, "name %s\n", gameInfo.white);
11568 SendToProgram(buf, &first);
11570 if (first.sendTime) {
11571 if (first.useColors) {
11572 SendToProgram("white\n", &first); /*gnu kludge*/
11574 SendTimeRemaining(&first, FALSE);
11576 if (first.useColors) {
11577 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11579 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11580 SetMachineThinkingEnables();
11581 first.maybeThinking = TRUE;
11584 if (appData.autoFlipView && flipView) {
11585 flipView = !flipView;
11586 DrawPosition(FALSE, NULL);
11587 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11589 if(bookHit) { // [HGM] book: simulate book reply
11590 static char bookMove[MSG_SIZ]; // a bit generous?
11592 programStats.nodes = programStats.depth = programStats.time =
11593 programStats.score = programStats.got_only_move = 0;
11594 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11596 strcpy(bookMove, "move ");
11597 strcat(bookMove, bookHit);
11598 HandleMachineMove(bookMove, &first);
11604 DisplayTwoMachinesTitle()
11607 if (appData.matchGames > 0) {
11608 if (first.twoMachinesColor[0] == 'w') {
11609 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11610 gameInfo.white, gameInfo.black,
11611 first.matchWins, second.matchWins,
11612 matchGame - 1 - (first.matchWins + second.matchWins));
11614 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11615 gameInfo.white, gameInfo.black,
11616 second.matchWins, first.matchWins,
11617 matchGame - 1 - (first.matchWins + second.matchWins));
11620 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11626 TwoMachinesEvent P((void))
11630 ChessProgramState *onmove;
11631 char *bookHit = NULL;
11633 if (appData.noChessProgram) return;
11635 switch (gameMode) {
11636 case TwoMachinesPlay:
11638 case MachinePlaysWhite:
11639 case MachinePlaysBlack:
11640 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11641 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11645 case BeginningOfGame:
11646 case PlayFromGameFile:
11649 if (gameMode != EditGame) return;
11652 EditPositionDone(TRUE);
11663 // forwardMostMove = currentMove;
11664 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11665 ResurrectChessProgram(); /* in case first program isn't running */
11667 if (second.pr == NULL) {
11668 StartChessProgram(&second);
11669 if (second.protocolVersion == 1) {
11670 TwoMachinesEventIfReady();
11672 /* kludge: allow timeout for initial "feature" command */
11674 DisplayMessage("", _("Starting second chess program"));
11675 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11679 DisplayMessage("", "");
11680 InitChessProgram(&second, FALSE);
11681 SendToProgram("force\n", &second);
11682 if (startedFromSetupPosition) {
11683 SendBoard(&second, backwardMostMove);
11684 if (appData.debugMode) {
11685 fprintf(debugFP, "Two Machines\n");
11688 for (i = backwardMostMove; i < forwardMostMove; i++) {
11689 SendMoveToProgram(i, &second);
11692 gameMode = TwoMachinesPlay;
11696 DisplayTwoMachinesTitle();
11698 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11704 SendToProgram(first.computerString, &first);
11705 if (first.sendName) {
11706 sprintf(buf, "name %s\n", second.tidy);
11707 SendToProgram(buf, &first);
11709 SendToProgram(second.computerString, &second);
11710 if (second.sendName) {
11711 sprintf(buf, "name %s\n", first.tidy);
11712 SendToProgram(buf, &second);
11716 if (!first.sendTime || !second.sendTime) {
11717 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11718 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11720 if (onmove->sendTime) {
11721 if (onmove->useColors) {
11722 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11724 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11726 if (onmove->useColors) {
11727 SendToProgram(onmove->twoMachinesColor, onmove);
11729 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11730 // SendToProgram("go\n", onmove);
11731 onmove->maybeThinking = TRUE;
11732 SetMachineThinkingEnables();
11736 if(bookHit) { // [HGM] book: simulate book reply
11737 static char bookMove[MSG_SIZ]; // a bit generous?
11739 programStats.nodes = programStats.depth = programStats.time =
11740 programStats.score = programStats.got_only_move = 0;
11741 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11743 strcpy(bookMove, "move ");
11744 strcat(bookMove, bookHit);
11745 savedMessage = bookMove; // args for deferred call
11746 savedState = onmove;
11747 ScheduleDelayedEvent(DeferredBookMove, 1);
11754 if (gameMode == Training) {
11755 SetTrainingModeOff();
11756 gameMode = PlayFromGameFile;
11757 DisplayMessage("", _("Training mode off"));
11759 gameMode = Training;
11760 animateTraining = appData.animate;
11762 /* make sure we are not already at the end of the game */
11763 if (currentMove < forwardMostMove) {
11764 SetTrainingModeOn();
11765 DisplayMessage("", _("Training mode on"));
11767 gameMode = PlayFromGameFile;
11768 DisplayError(_("Already at end of game"), 0);
11777 if (!appData.icsActive) return;
11778 switch (gameMode) {
11779 case IcsPlayingWhite:
11780 case IcsPlayingBlack:
11783 case BeginningOfGame:
11791 EditPositionDone(TRUE);
11804 gameMode = IcsIdle;
11815 switch (gameMode) {
11817 SetTrainingModeOff();
11819 case MachinePlaysWhite:
11820 case MachinePlaysBlack:
11821 case BeginningOfGame:
11822 SendToProgram("force\n", &first);
11823 SetUserThinkingEnables();
11825 case PlayFromGameFile:
11826 (void) StopLoadGameTimer();
11827 if (gameFileFP != NULL) {
11832 EditPositionDone(TRUE);
11837 SendToProgram("force\n", &first);
11839 case TwoMachinesPlay:
11840 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11841 ResurrectChessProgram();
11842 SetUserThinkingEnables();
11845 ResurrectChessProgram();
11847 case IcsPlayingBlack:
11848 case IcsPlayingWhite:
11849 DisplayError(_("Warning: You are still playing a game"), 0);
11852 DisplayError(_("Warning: You are still observing a game"), 0);
11855 DisplayError(_("Warning: You are still examining a game"), 0);
11866 first.offeredDraw = second.offeredDraw = 0;
11868 if (gameMode == PlayFromGameFile) {
11869 whiteTimeRemaining = timeRemaining[0][currentMove];
11870 blackTimeRemaining = timeRemaining[1][currentMove];
11874 if (gameMode == MachinePlaysWhite ||
11875 gameMode == MachinePlaysBlack ||
11876 gameMode == TwoMachinesPlay ||
11877 gameMode == EndOfGame) {
11878 i = forwardMostMove;
11879 while (i > currentMove) {
11880 SendToProgram("undo\n", &first);
11883 whiteTimeRemaining = timeRemaining[0][currentMove];
11884 blackTimeRemaining = timeRemaining[1][currentMove];
11885 DisplayBothClocks();
11886 if (whiteFlag || blackFlag) {
11887 whiteFlag = blackFlag = 0;
11892 gameMode = EditGame;
11899 EditPositionEvent()
11901 if (gameMode == EditPosition) {
11907 if (gameMode != EditGame) return;
11909 gameMode = EditPosition;
11912 if (currentMove > 0)
11913 CopyBoard(boards[0], boards[currentMove]);
11915 blackPlaysFirst = !WhiteOnMove(currentMove);
11917 currentMove = forwardMostMove = backwardMostMove = 0;
11918 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11925 /* [DM] icsEngineAnalyze - possible call from other functions */
11926 if (appData.icsEngineAnalyze) {
11927 appData.icsEngineAnalyze = FALSE;
11929 DisplayMessage("",_("Close ICS engine analyze..."));
11931 if (first.analysisSupport && first.analyzing) {
11932 SendToProgram("exit\n", &first);
11933 first.analyzing = FALSE;
11935 thinkOutput[0] = NULLCHAR;
11939 EditPositionDone(Boolean fakeRights)
11941 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11943 startedFromSetupPosition = TRUE;
11944 InitChessProgram(&first, FALSE);
11945 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11946 boards[0][EP_STATUS] = EP_NONE;
11947 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11948 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11949 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11950 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11951 } else boards[0][CASTLING][2] = NoRights;
11952 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11953 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11954 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11955 } else boards[0][CASTLING][5] = NoRights;
11957 SendToProgram("force\n", &first);
11958 if (blackPlaysFirst) {
11959 strcpy(moveList[0], "");
11960 strcpy(parseList[0], "");
11961 currentMove = forwardMostMove = backwardMostMove = 1;
11962 CopyBoard(boards[1], boards[0]);
11964 currentMove = forwardMostMove = backwardMostMove = 0;
11966 SendBoard(&first, forwardMostMove);
11967 if (appData.debugMode) {
11968 fprintf(debugFP, "EditPosDone\n");
11971 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11972 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11973 gameMode = EditGame;
11975 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11976 ClearHighlights(); /* [AS] */
11979 /* Pause for `ms' milliseconds */
11980 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11990 } while (SubtractTimeMarks(&m2, &m1) < ms);
11993 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11995 SendMultiLineToICS(buf)
11998 char temp[MSG_SIZ+1], *p;
12005 strncpy(temp, buf, len);
12010 if (*p == '\n' || *p == '\r')
12015 strcat(temp, "\n");
12017 SendToPlayer(temp, strlen(temp));
12021 SetWhiteToPlayEvent()
12023 if (gameMode == EditPosition) {
12024 blackPlaysFirst = FALSE;
12025 DisplayBothClocks(); /* works because currentMove is 0 */
12026 } else if (gameMode == IcsExamining) {
12027 SendToICS(ics_prefix);
12028 SendToICS("tomove white\n");
12033 SetBlackToPlayEvent()
12035 if (gameMode == EditPosition) {
12036 blackPlaysFirst = TRUE;
12037 currentMove = 1; /* kludge */
12038 DisplayBothClocks();
12040 } else if (gameMode == IcsExamining) {
12041 SendToICS(ics_prefix);
12042 SendToICS("tomove black\n");
12047 EditPositionMenuEvent(selection, x, y)
12048 ChessSquare selection;
12052 ChessSquare piece = boards[0][y][x];
12054 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12056 switch (selection) {
12058 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12059 SendToICS(ics_prefix);
12060 SendToICS("bsetup clear\n");
12061 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12062 SendToICS(ics_prefix);
12063 SendToICS("clearboard\n");
12065 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12066 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12067 for (y = 0; y < BOARD_HEIGHT; y++) {
12068 if (gameMode == IcsExamining) {
12069 if (boards[currentMove][y][x] != EmptySquare) {
12070 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12075 boards[0][y][x] = p;
12080 if (gameMode == EditPosition) {
12081 DrawPosition(FALSE, boards[0]);
12086 SetWhiteToPlayEvent();
12090 SetBlackToPlayEvent();
12094 if (gameMode == IcsExamining) {
12095 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12096 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12099 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12100 if(x == BOARD_LEFT-2) {
12101 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12102 boards[0][y][1] = 0;
12104 if(x == BOARD_RGHT+1) {
12105 if(y >= gameInfo.holdingsSize) break;
12106 boards[0][y][BOARD_WIDTH-2] = 0;
12109 boards[0][y][x] = EmptySquare;
12110 DrawPosition(FALSE, boards[0]);
12115 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12116 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12117 selection = (ChessSquare) (PROMOTED piece);
12118 } else if(piece == EmptySquare) selection = WhiteSilver;
12119 else selection = (ChessSquare)((int)piece - 1);
12123 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12124 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12125 selection = (ChessSquare) (DEMOTED piece);
12126 } else if(piece == EmptySquare) selection = BlackSilver;
12127 else selection = (ChessSquare)((int)piece + 1);
12132 if(gameInfo.variant == VariantShatranj ||
12133 gameInfo.variant == VariantXiangqi ||
12134 gameInfo.variant == VariantCourier ||
12135 gameInfo.variant == VariantMakruk )
12136 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12141 if(gameInfo.variant == VariantXiangqi)
12142 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12143 if(gameInfo.variant == VariantKnightmate)
12144 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12147 if (gameMode == IcsExamining) {
12148 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12149 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12150 PieceToChar(selection), AAA + x, ONE + y);
12153 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12155 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12156 n = PieceToNumber(selection - BlackPawn);
12157 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12158 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12159 boards[0][BOARD_HEIGHT-1-n][1]++;
12161 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12162 n = PieceToNumber(selection);
12163 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12164 boards[0][n][BOARD_WIDTH-1] = selection;
12165 boards[0][n][BOARD_WIDTH-2]++;
12168 boards[0][y][x] = selection;
12169 DrawPosition(TRUE, boards[0]);
12177 DropMenuEvent(selection, x, y)
12178 ChessSquare selection;
12181 ChessMove moveType;
12183 switch (gameMode) {
12184 case IcsPlayingWhite:
12185 case MachinePlaysBlack:
12186 if (!WhiteOnMove(currentMove)) {
12187 DisplayMoveError(_("It is Black's turn"));
12190 moveType = WhiteDrop;
12192 case IcsPlayingBlack:
12193 case MachinePlaysWhite:
12194 if (WhiteOnMove(currentMove)) {
12195 DisplayMoveError(_("It is White's turn"));
12198 moveType = BlackDrop;
12201 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12207 if (moveType == BlackDrop && selection < BlackPawn) {
12208 selection = (ChessSquare) ((int) selection
12209 + (int) BlackPawn - (int) WhitePawn);
12211 if (boards[currentMove][y][x] != EmptySquare) {
12212 DisplayMoveError(_("That square is occupied"));
12216 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12222 /* Accept a pending offer of any kind from opponent */
12224 if (appData.icsActive) {
12225 SendToICS(ics_prefix);
12226 SendToICS("accept\n");
12227 } else if (cmailMsgLoaded) {
12228 if (currentMove == cmailOldMove &&
12229 commentList[cmailOldMove] != NULL &&
12230 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12231 "Black offers a draw" : "White offers a draw")) {
12233 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12234 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12236 DisplayError(_("There is no pending offer on this move"), 0);
12237 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12240 /* Not used for offers from chess program */
12247 /* Decline a pending offer of any kind from opponent */
12249 if (appData.icsActive) {
12250 SendToICS(ics_prefix);
12251 SendToICS("decline\n");
12252 } else if (cmailMsgLoaded) {
12253 if (currentMove == cmailOldMove &&
12254 commentList[cmailOldMove] != NULL &&
12255 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12256 "Black offers a draw" : "White offers a draw")) {
12258 AppendComment(cmailOldMove, "Draw declined", TRUE);
12259 DisplayComment(cmailOldMove - 1, "Draw declined");
12262 DisplayError(_("There is no pending offer on this move"), 0);
12265 /* Not used for offers from chess program */
12272 /* Issue ICS rematch command */
12273 if (appData.icsActive) {
12274 SendToICS(ics_prefix);
12275 SendToICS("rematch\n");
12282 /* Call your opponent's flag (claim a win on time) */
12283 if (appData.icsActive) {
12284 SendToICS(ics_prefix);
12285 SendToICS("flag\n");
12287 switch (gameMode) {
12290 case MachinePlaysWhite:
12293 GameEnds(GameIsDrawn, "Both players ran out of time",
12296 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12298 DisplayError(_("Your opponent is not out of time"), 0);
12301 case MachinePlaysBlack:
12304 GameEnds(GameIsDrawn, "Both players ran out of time",
12307 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12309 DisplayError(_("Your opponent is not out of time"), 0);
12319 /* Offer draw or accept pending draw offer from opponent */
12321 if (appData.icsActive) {
12322 /* Note: tournament rules require draw offers to be
12323 made after you make your move but before you punch
12324 your clock. Currently ICS doesn't let you do that;
12325 instead, you immediately punch your clock after making
12326 a move, but you can offer a draw at any time. */
12328 SendToICS(ics_prefix);
12329 SendToICS("draw\n");
12330 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12331 } else if (cmailMsgLoaded) {
12332 if (currentMove == cmailOldMove &&
12333 commentList[cmailOldMove] != NULL &&
12334 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12335 "Black offers a draw" : "White offers a draw")) {
12336 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12337 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12338 } else if (currentMove == cmailOldMove + 1) {
12339 char *offer = WhiteOnMove(cmailOldMove) ?
12340 "White offers a draw" : "Black offers a draw";
12341 AppendComment(currentMove, offer, TRUE);
12342 DisplayComment(currentMove - 1, offer);
12343 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12345 DisplayError(_("You must make your move before offering a draw"), 0);
12346 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12348 } else if (first.offeredDraw) {
12349 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12351 if (first.sendDrawOffers) {
12352 SendToProgram("draw\n", &first);
12353 userOfferedDraw = TRUE;
12361 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12363 if (appData.icsActive) {
12364 SendToICS(ics_prefix);
12365 SendToICS("adjourn\n");
12367 /* Currently GNU Chess doesn't offer or accept Adjourns */
12375 /* Offer Abort or accept pending Abort offer from opponent */
12377 if (appData.icsActive) {
12378 SendToICS(ics_prefix);
12379 SendToICS("abort\n");
12381 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12388 /* Resign. You can do this even if it's not your turn. */
12390 if (appData.icsActive) {
12391 SendToICS(ics_prefix);
12392 SendToICS("resign\n");
12394 switch (gameMode) {
12395 case MachinePlaysWhite:
12396 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12398 case MachinePlaysBlack:
12399 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12402 if (cmailMsgLoaded) {
12404 if (WhiteOnMove(cmailOldMove)) {
12405 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12407 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12409 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12420 StopObservingEvent()
12422 /* Stop observing current games */
12423 SendToICS(ics_prefix);
12424 SendToICS("unobserve\n");
12428 StopExaminingEvent()
12430 /* Stop observing current game */
12431 SendToICS(ics_prefix);
12432 SendToICS("unexamine\n");
12436 ForwardInner(target)
12441 if (appData.debugMode)
12442 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12443 target, currentMove, forwardMostMove);
12445 if (gameMode == EditPosition)
12448 if (gameMode == PlayFromGameFile && !pausing)
12451 if (gameMode == IcsExamining && pausing)
12452 limit = pauseExamForwardMostMove;
12454 limit = forwardMostMove;
12456 if (target > limit) target = limit;
12458 if (target > 0 && moveList[target - 1][0]) {
12459 int fromX, fromY, toX, toY;
12460 toX = moveList[target - 1][2] - AAA;
12461 toY = moveList[target - 1][3] - ONE;
12462 if (moveList[target - 1][1] == '@') {
12463 if (appData.highlightLastMove) {
12464 SetHighlights(-1, -1, toX, toY);
12467 fromX = moveList[target - 1][0] - AAA;
12468 fromY = moveList[target - 1][1] - ONE;
12469 if (target == currentMove + 1) {
12470 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12472 if (appData.highlightLastMove) {
12473 SetHighlights(fromX, fromY, toX, toY);
12477 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12478 gameMode == Training || gameMode == PlayFromGameFile ||
12479 gameMode == AnalyzeFile) {
12480 while (currentMove < target) {
12481 SendMoveToProgram(currentMove++, &first);
12484 currentMove = target;
12487 if (gameMode == EditGame || gameMode == EndOfGame) {
12488 whiteTimeRemaining = timeRemaining[0][currentMove];
12489 blackTimeRemaining = timeRemaining[1][currentMove];
12491 DisplayBothClocks();
12492 DisplayMove(currentMove - 1);
12493 DrawPosition(FALSE, boards[currentMove]);
12494 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12495 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12496 DisplayComment(currentMove - 1, commentList[currentMove]);
12504 if (gameMode == IcsExamining && !pausing) {
12505 SendToICS(ics_prefix);
12506 SendToICS("forward\n");
12508 ForwardInner(currentMove + 1);
12515 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12516 /* to optimze, we temporarily turn off analysis mode while we feed
12517 * the remaining moves to the engine. Otherwise we get analysis output
12520 if (first.analysisSupport) {
12521 SendToProgram("exit\nforce\n", &first);
12522 first.analyzing = FALSE;
12526 if (gameMode == IcsExamining && !pausing) {
12527 SendToICS(ics_prefix);
12528 SendToICS("forward 999999\n");
12530 ForwardInner(forwardMostMove);
12533 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12534 /* we have fed all the moves, so reactivate analysis mode */
12535 SendToProgram("analyze\n", &first);
12536 first.analyzing = TRUE;
12537 /*first.maybeThinking = TRUE;*/
12538 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12543 BackwardInner(target)
12546 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12548 if (appData.debugMode)
12549 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12550 target, currentMove, forwardMostMove);
12552 if (gameMode == EditPosition) return;
12553 if (currentMove <= backwardMostMove) {
12555 DrawPosition(full_redraw, boards[currentMove]);
12558 if (gameMode == PlayFromGameFile && !pausing)
12561 if (moveList[target][0]) {
12562 int fromX, fromY, toX, toY;
12563 toX = moveList[target][2] - AAA;
12564 toY = moveList[target][3] - ONE;
12565 if (moveList[target][1] == '@') {
12566 if (appData.highlightLastMove) {
12567 SetHighlights(-1, -1, toX, toY);
12570 fromX = moveList[target][0] - AAA;
12571 fromY = moveList[target][1] - ONE;
12572 if (target == currentMove - 1) {
12573 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12575 if (appData.highlightLastMove) {
12576 SetHighlights(fromX, fromY, toX, toY);
12580 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12581 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12582 while (currentMove > target) {
12583 SendToProgram("undo\n", &first);
12587 currentMove = target;
12590 if (gameMode == EditGame || gameMode == EndOfGame) {
12591 whiteTimeRemaining = timeRemaining[0][currentMove];
12592 blackTimeRemaining = timeRemaining[1][currentMove];
12594 DisplayBothClocks();
12595 DisplayMove(currentMove - 1);
12596 DrawPosition(full_redraw, boards[currentMove]);
12597 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12598 // [HGM] PV info: routine tests if comment empty
12599 DisplayComment(currentMove - 1, commentList[currentMove]);
12605 if (gameMode == IcsExamining && !pausing) {
12606 SendToICS(ics_prefix);
12607 SendToICS("backward\n");
12609 BackwardInner(currentMove - 1);
12616 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12617 /* to optimize, we temporarily turn off analysis mode while we undo
12618 * all the moves. Otherwise we get analysis output after each undo.
12620 if (first.analysisSupport) {
12621 SendToProgram("exit\nforce\n", &first);
12622 first.analyzing = FALSE;
12626 if (gameMode == IcsExamining && !pausing) {
12627 SendToICS(ics_prefix);
12628 SendToICS("backward 999999\n");
12630 BackwardInner(backwardMostMove);
12633 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12634 /* we have fed all the moves, so reactivate analysis mode */
12635 SendToProgram("analyze\n", &first);
12636 first.analyzing = TRUE;
12637 /*first.maybeThinking = TRUE;*/
12638 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12645 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12646 if (to >= forwardMostMove) to = forwardMostMove;
12647 if (to <= backwardMostMove) to = backwardMostMove;
12648 if (to < currentMove) {
12658 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12661 if (gameMode != IcsExamining) {
12662 DisplayError(_("You are not examining a game"), 0);
12666 DisplayError(_("You can't revert while pausing"), 0);
12669 SendToICS(ics_prefix);
12670 SendToICS("revert\n");
12676 switch (gameMode) {
12677 case MachinePlaysWhite:
12678 case MachinePlaysBlack:
12679 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12680 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12683 if (forwardMostMove < 2) return;
12684 currentMove = forwardMostMove = forwardMostMove - 2;
12685 whiteTimeRemaining = timeRemaining[0][currentMove];
12686 blackTimeRemaining = timeRemaining[1][currentMove];
12687 DisplayBothClocks();
12688 DisplayMove(currentMove - 1);
12689 ClearHighlights();/*!! could figure this out*/
12690 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12691 SendToProgram("remove\n", &first);
12692 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12695 case BeginningOfGame:
12699 case IcsPlayingWhite:
12700 case IcsPlayingBlack:
12701 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12702 SendToICS(ics_prefix);
12703 SendToICS("takeback 2\n");
12705 SendToICS(ics_prefix);
12706 SendToICS("takeback 1\n");
12715 ChessProgramState *cps;
12717 switch (gameMode) {
12718 case MachinePlaysWhite:
12719 if (!WhiteOnMove(forwardMostMove)) {
12720 DisplayError(_("It is your turn"), 0);
12725 case MachinePlaysBlack:
12726 if (WhiteOnMove(forwardMostMove)) {
12727 DisplayError(_("It is your turn"), 0);
12732 case TwoMachinesPlay:
12733 if (WhiteOnMove(forwardMostMove) ==
12734 (first.twoMachinesColor[0] == 'w')) {
12740 case BeginningOfGame:
12744 SendToProgram("?\n", cps);
12748 TruncateGameEvent()
12751 if (gameMode != EditGame) return;
12758 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12759 if (forwardMostMove > currentMove) {
12760 if (gameInfo.resultDetails != NULL) {
12761 free(gameInfo.resultDetails);
12762 gameInfo.resultDetails = NULL;
12763 gameInfo.result = GameUnfinished;
12765 forwardMostMove = currentMove;
12766 HistorySet(parseList, backwardMostMove, forwardMostMove,
12774 if (appData.noChessProgram) return;
12775 switch (gameMode) {
12776 case MachinePlaysWhite:
12777 if (WhiteOnMove(forwardMostMove)) {
12778 DisplayError(_("Wait until your turn"), 0);
12782 case BeginningOfGame:
12783 case MachinePlaysBlack:
12784 if (!WhiteOnMove(forwardMostMove)) {
12785 DisplayError(_("Wait until your turn"), 0);
12790 DisplayError(_("No hint available"), 0);
12793 SendToProgram("hint\n", &first);
12794 hintRequested = TRUE;
12800 if (appData.noChessProgram) return;
12801 switch (gameMode) {
12802 case MachinePlaysWhite:
12803 if (WhiteOnMove(forwardMostMove)) {
12804 DisplayError(_("Wait until your turn"), 0);
12808 case BeginningOfGame:
12809 case MachinePlaysBlack:
12810 if (!WhiteOnMove(forwardMostMove)) {
12811 DisplayError(_("Wait until your turn"), 0);
12816 EditPositionDone(TRUE);
12818 case TwoMachinesPlay:
12823 SendToProgram("bk\n", &first);
12824 bookOutput[0] = NULLCHAR;
12825 bookRequested = TRUE;
12831 char *tags = PGNTags(&gameInfo);
12832 TagsPopUp(tags, CmailMsg());
12836 /* end button procedures */
12839 PrintPosition(fp, move)
12845 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12846 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12847 char c = PieceToChar(boards[move][i][j]);
12848 fputc(c == 'x' ? '.' : c, fp);
12849 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12852 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12853 fprintf(fp, "white to play\n");
12855 fprintf(fp, "black to play\n");
12862 if (gameInfo.white != NULL) {
12863 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12869 /* Find last component of program's own name, using some heuristics */
12871 TidyProgramName(prog, host, buf)
12872 char *prog, *host, buf[MSG_SIZ];
12875 int local = (strcmp(host, "localhost") == 0);
12876 while (!local && (p = strchr(prog, ';')) != NULL) {
12878 while (*p == ' ') p++;
12881 if (*prog == '"' || *prog == '\'') {
12882 q = strchr(prog + 1, *prog);
12884 q = strchr(prog, ' ');
12886 if (q == NULL) q = prog + strlen(prog);
12888 while (p >= prog && *p != '/' && *p != '\\') p--;
12890 if(p == prog && *p == '"') p++;
12891 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12892 memcpy(buf, p, q - p);
12893 buf[q - p] = NULLCHAR;
12901 TimeControlTagValue()
12904 if (!appData.clockMode) {
12906 } else if (movesPerSession > 0) {
12907 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12908 } else if (timeIncrement == 0) {
12909 sprintf(buf, "%ld", timeControl/1000);
12911 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12913 return StrSave(buf);
12919 /* This routine is used only for certain modes */
12920 VariantClass v = gameInfo.variant;
12921 ChessMove r = GameUnfinished;
12924 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12925 r = gameInfo.result;
12926 p = gameInfo.resultDetails;
12927 gameInfo.resultDetails = NULL;
12929 ClearGameInfo(&gameInfo);
12930 gameInfo.variant = v;
12932 switch (gameMode) {
12933 case MachinePlaysWhite:
12934 gameInfo.event = StrSave( appData.pgnEventHeader );
12935 gameInfo.site = StrSave(HostName());
12936 gameInfo.date = PGNDate();
12937 gameInfo.round = StrSave("-");
12938 gameInfo.white = StrSave(first.tidy);
12939 gameInfo.black = StrSave(UserName());
12940 gameInfo.timeControl = TimeControlTagValue();
12943 case MachinePlaysBlack:
12944 gameInfo.event = StrSave( appData.pgnEventHeader );
12945 gameInfo.site = StrSave(HostName());
12946 gameInfo.date = PGNDate();
12947 gameInfo.round = StrSave("-");
12948 gameInfo.white = StrSave(UserName());
12949 gameInfo.black = StrSave(first.tidy);
12950 gameInfo.timeControl = TimeControlTagValue();
12953 case TwoMachinesPlay:
12954 gameInfo.event = StrSave( appData.pgnEventHeader );
12955 gameInfo.site = StrSave(HostName());
12956 gameInfo.date = PGNDate();
12957 if (matchGame > 0) {
12959 sprintf(buf, "%d", matchGame);
12960 gameInfo.round = StrSave(buf);
12962 gameInfo.round = StrSave("-");
12964 if (first.twoMachinesColor[0] == 'w') {
12965 gameInfo.white = StrSave(first.tidy);
12966 gameInfo.black = StrSave(second.tidy);
12968 gameInfo.white = StrSave(second.tidy);
12969 gameInfo.black = StrSave(first.tidy);
12971 gameInfo.timeControl = TimeControlTagValue();
12975 gameInfo.event = StrSave("Edited game");
12976 gameInfo.site = StrSave(HostName());
12977 gameInfo.date = PGNDate();
12978 gameInfo.round = StrSave("-");
12979 gameInfo.white = StrSave("-");
12980 gameInfo.black = StrSave("-");
12981 gameInfo.result = r;
12982 gameInfo.resultDetails = p;
12986 gameInfo.event = StrSave("Edited position");
12987 gameInfo.site = StrSave(HostName());
12988 gameInfo.date = PGNDate();
12989 gameInfo.round = StrSave("-");
12990 gameInfo.white = StrSave("-");
12991 gameInfo.black = StrSave("-");
12994 case IcsPlayingWhite:
12995 case IcsPlayingBlack:
13000 case PlayFromGameFile:
13001 gameInfo.event = StrSave("Game from non-PGN file");
13002 gameInfo.site = StrSave(HostName());
13003 gameInfo.date = PGNDate();
13004 gameInfo.round = StrSave("-");
13005 gameInfo.white = StrSave("?");
13006 gameInfo.black = StrSave("?");
13015 ReplaceComment(index, text)
13021 while (*text == '\n') text++;
13022 len = strlen(text);
13023 while (len > 0 && text[len - 1] == '\n') len--;
13025 if (commentList[index] != NULL)
13026 free(commentList[index]);
13029 commentList[index] = NULL;
13032 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13033 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13034 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13035 commentList[index] = (char *) malloc(len + 2);
13036 strncpy(commentList[index], text, len);
13037 commentList[index][len] = '\n';
13038 commentList[index][len + 1] = NULLCHAR;
13040 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13042 commentList[index] = (char *) malloc(len + 6);
13043 strcpy(commentList[index], "{\n");
13044 strncpy(commentList[index]+2, text, len);
13045 commentList[index][len+2] = NULLCHAR;
13046 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13047 strcat(commentList[index], "\n}\n");
13061 if (ch == '\r') continue;
13063 } while (ch != '\0');
13067 AppendComment(index, text, addBraces)
13070 Boolean addBraces; // [HGM] braces: tells if we should add {}
13075 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13076 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13079 while (*text == '\n') text++;
13080 len = strlen(text);
13081 while (len > 0 && text[len - 1] == '\n') len--;
13083 if (len == 0) return;
13085 if (commentList[index] != NULL) {
13086 old = commentList[index];
13087 oldlen = strlen(old);
13088 while(commentList[index][oldlen-1] == '\n')
13089 commentList[index][--oldlen] = NULLCHAR;
13090 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13091 strcpy(commentList[index], old);
13093 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13094 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13095 if(addBraces) addBraces = FALSE; else { text++; len--; }
13096 while (*text == '\n') { text++; len--; }
13097 commentList[index][--oldlen] = NULLCHAR;
13099 if(addBraces) strcat(commentList[index], "\n{\n");
13100 else strcat(commentList[index], "\n");
13101 strcat(commentList[index], text);
13102 if(addBraces) strcat(commentList[index], "\n}\n");
13103 else strcat(commentList[index], "\n");
13105 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13107 strcpy(commentList[index], "{\n");
13108 else commentList[index][0] = NULLCHAR;
13109 strcat(commentList[index], text);
13110 strcat(commentList[index], "\n");
13111 if(addBraces) strcat(commentList[index], "}\n");
13115 static char * FindStr( char * text, char * sub_text )
13117 char * result = strstr( text, sub_text );
13119 if( result != NULL ) {
13120 result += strlen( sub_text );
13126 /* [AS] Try to extract PV info from PGN comment */
13127 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13128 char *GetInfoFromComment( int index, char * text )
13132 if( text != NULL && index > 0 ) {
13135 int time = -1, sec = 0, deci;
13136 char * s_eval = FindStr( text, "[%eval " );
13137 char * s_emt = FindStr( text, "[%emt " );
13139 if( s_eval != NULL || s_emt != NULL ) {
13143 if( s_eval != NULL ) {
13144 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13148 if( delim != ']' ) {
13153 if( s_emt != NULL ) {
13158 /* We expect something like: [+|-]nnn.nn/dd */
13161 if(*text != '{') return text; // [HGM] braces: must be normal comment
13163 sep = strchr( text, '/' );
13164 if( sep == NULL || sep < (text+4) ) {
13168 time = -1; sec = -1; deci = -1;
13169 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13170 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13171 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13172 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13176 if( score_lo < 0 || score_lo >= 100 ) {
13180 if(sec >= 0) time = 600*time + 10*sec; else
13181 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13183 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13185 /* [HGM] PV time: now locate end of PV info */
13186 while( *++sep >= '0' && *sep <= '9'); // strip depth
13188 while( *++sep >= '0' && *sep <= '9'); // strip time
13190 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13192 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13193 while(*sep == ' ') sep++;
13204 pvInfoList[index-1].depth = depth;
13205 pvInfoList[index-1].score = score;
13206 pvInfoList[index-1].time = 10*time; // centi-sec
13207 if(*sep == '}') *sep = 0; else *--sep = '{';
13213 SendToProgram(message, cps)
13215 ChessProgramState *cps;
13217 int count, outCount, error;
13220 if (cps->pr == NULL) return;
13223 if (appData.debugMode) {
13226 fprintf(debugFP, "%ld >%-6s: %s",
13227 SubtractTimeMarks(&now, &programStartTime),
13228 cps->which, message);
13231 count = strlen(message);
13232 outCount = OutputToProcess(cps->pr, message, count, &error);
13233 if (outCount < count && !exiting
13234 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13235 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13236 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13237 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13238 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13239 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13241 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13243 gameInfo.resultDetails = StrSave(buf);
13245 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13250 ReceiveFromProgram(isr, closure, message, count, error)
13251 InputSourceRef isr;
13259 ChessProgramState *cps = (ChessProgramState *)closure;
13261 if (isr != cps->isr) return; /* Killed intentionally */
13265 _("Error: %s chess program (%s) exited unexpectedly"),
13266 cps->which, cps->program);
13267 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13268 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13269 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13270 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13272 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13274 gameInfo.resultDetails = StrSave(buf);
13276 RemoveInputSource(cps->isr);
13277 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13280 _("Error reading from %s chess program (%s)"),
13281 cps->which, cps->program);
13282 RemoveInputSource(cps->isr);
13284 /* [AS] Program is misbehaving badly... kill it */
13285 if( count == -2 ) {
13286 DestroyChildProcess( cps->pr, 9 );
13290 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13295 if ((end_str = strchr(message, '\r')) != NULL)
13296 *end_str = NULLCHAR;
13297 if ((end_str = strchr(message, '\n')) != NULL)
13298 *end_str = NULLCHAR;
13300 if (appData.debugMode) {
13301 TimeMark now; int print = 1;
13302 char *quote = ""; char c; int i;
13304 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13305 char start = message[0];
13306 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13307 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13308 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13309 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13310 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13311 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13312 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13313 sscanf(message, "pong %c", &c)!=1 && start != '#')
13314 { quote = "# "; print = (appData.engineComments == 2); }
13315 message[0] = start; // restore original message
13319 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13320 SubtractTimeMarks(&now, &programStartTime), cps->which,
13326 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13327 if (appData.icsEngineAnalyze) {
13328 if (strstr(message, "whisper") != NULL ||
13329 strstr(message, "kibitz") != NULL ||
13330 strstr(message, "tellics") != NULL) return;
13333 HandleMachineMove(message, cps);
13338 SendTimeControl(cps, mps, tc, inc, sd, st)
13339 ChessProgramState *cps;
13340 int mps, inc, sd, st;
13346 if( timeControl_2 > 0 ) {
13347 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13348 tc = timeControl_2;
13351 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13352 inc /= cps->timeOdds;
13353 st /= cps->timeOdds;
13355 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13358 /* Set exact time per move, normally using st command */
13359 if (cps->stKludge) {
13360 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13362 if (seconds == 0) {
13363 sprintf(buf, "level 1 %d\n", st/60);
13365 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13368 sprintf(buf, "st %d\n", st);
13371 /* Set conventional or incremental time control, using level command */
13372 if (seconds == 0) {
13373 /* Note old gnuchess bug -- minutes:seconds used to not work.
13374 Fixed in later versions, but still avoid :seconds
13375 when seconds is 0. */
13376 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13378 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13379 seconds, inc/1000);
13382 SendToProgram(buf, cps);
13384 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13385 /* Orthogonally, limit search to given depth */
13387 if (cps->sdKludge) {
13388 sprintf(buf, "depth\n%d\n", sd);
13390 sprintf(buf, "sd %d\n", sd);
13392 SendToProgram(buf, cps);
13395 if(cps->nps > 0) { /* [HGM] nps */
13396 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13398 sprintf(buf, "nps %d\n", cps->nps);
13399 SendToProgram(buf, cps);
13404 ChessProgramState *WhitePlayer()
13405 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13407 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13408 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13414 SendTimeRemaining(cps, machineWhite)
13415 ChessProgramState *cps;
13416 int /*boolean*/ machineWhite;
13418 char message[MSG_SIZ];
13421 /* Note: this routine must be called when the clocks are stopped
13422 or when they have *just* been set or switched; otherwise
13423 it will be off by the time since the current tick started.
13425 if (machineWhite) {
13426 time = whiteTimeRemaining / 10;
13427 otime = blackTimeRemaining / 10;
13429 time = blackTimeRemaining / 10;
13430 otime = whiteTimeRemaining / 10;
13432 /* [HGM] translate opponent's time by time-odds factor */
13433 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13434 if (appData.debugMode) {
13435 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13438 if (time <= 0) time = 1;
13439 if (otime <= 0) otime = 1;
13441 sprintf(message, "time %ld\n", time);
13442 SendToProgram(message, cps);
13444 sprintf(message, "otim %ld\n", otime);
13445 SendToProgram(message, cps);
13449 BoolFeature(p, name, loc, cps)
13453 ChessProgramState *cps;
13456 int len = strlen(name);
13458 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13460 sscanf(*p, "%d", &val);
13462 while (**p && **p != ' ') (*p)++;
13463 sprintf(buf, "accepted %s\n", name);
13464 SendToProgram(buf, cps);
13471 IntFeature(p, name, loc, cps)
13475 ChessProgramState *cps;
13478 int len = strlen(name);
13479 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13481 sscanf(*p, "%d", loc);
13482 while (**p && **p != ' ') (*p)++;
13483 sprintf(buf, "accepted %s\n", name);
13484 SendToProgram(buf, cps);
13491 StringFeature(p, name, loc, cps)
13495 ChessProgramState *cps;
13498 int len = strlen(name);
13499 if (strncmp((*p), name, len) == 0
13500 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13502 sscanf(*p, "%[^\"]", loc);
13503 while (**p && **p != '\"') (*p)++;
13504 if (**p == '\"') (*p)++;
13505 sprintf(buf, "accepted %s\n", name);
13506 SendToProgram(buf, cps);
13513 ParseOption(Option *opt, ChessProgramState *cps)
13514 // [HGM] options: process the string that defines an engine option, and determine
13515 // name, type, default value, and allowed value range
13517 char *p, *q, buf[MSG_SIZ];
13518 int n, min = (-1)<<31, max = 1<<31, def;
13520 if(p = strstr(opt->name, " -spin ")) {
13521 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13522 if(max < min) max = min; // enforce consistency
13523 if(def < min) def = min;
13524 if(def > max) def = max;
13529 } else if((p = strstr(opt->name, " -slider "))) {
13530 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13531 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13532 if(max < min) max = min; // enforce consistency
13533 if(def < min) def = min;
13534 if(def > max) def = max;
13538 opt->type = Spin; // Slider;
13539 } else if((p = strstr(opt->name, " -string "))) {
13540 opt->textValue = p+9;
13541 opt->type = TextBox;
13542 } else if((p = strstr(opt->name, " -file "))) {
13543 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13544 opt->textValue = p+7;
13545 opt->type = TextBox; // FileName;
13546 } else if((p = strstr(opt->name, " -path "))) {
13547 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13548 opt->textValue = p+7;
13549 opt->type = TextBox; // PathName;
13550 } else if(p = strstr(opt->name, " -check ")) {
13551 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13552 opt->value = (def != 0);
13553 opt->type = CheckBox;
13554 } else if(p = strstr(opt->name, " -combo ")) {
13555 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13556 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13557 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13558 opt->value = n = 0;
13559 while(q = StrStr(q, " /// ")) {
13560 n++; *q = 0; // count choices, and null-terminate each of them
13562 if(*q == '*') { // remember default, which is marked with * prefix
13566 cps->comboList[cps->comboCnt++] = q;
13568 cps->comboList[cps->comboCnt++] = NULL;
13570 opt->type = ComboBox;
13571 } else if(p = strstr(opt->name, " -button")) {
13572 opt->type = Button;
13573 } else if(p = strstr(opt->name, " -save")) {
13574 opt->type = SaveButton;
13575 } else return FALSE;
13576 *p = 0; // terminate option name
13577 // now look if the command-line options define a setting for this engine option.
13578 if(cps->optionSettings && cps->optionSettings[0])
13579 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13580 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13581 sprintf(buf, "option %s", p);
13582 if(p = strstr(buf, ",")) *p = 0;
13584 SendToProgram(buf, cps);
13590 FeatureDone(cps, val)
13591 ChessProgramState* cps;
13594 DelayedEventCallback cb = GetDelayedEvent();
13595 if ((cb == InitBackEnd3 && cps == &first) ||
13596 (cb == TwoMachinesEventIfReady && cps == &second)) {
13597 CancelDelayedEvent();
13598 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13600 cps->initDone = val;
13603 /* Parse feature command from engine */
13605 ParseFeatures(args, cps)
13607 ChessProgramState *cps;
13615 while (*p == ' ') p++;
13616 if (*p == NULLCHAR) return;
13618 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13619 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13620 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13621 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13622 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13623 if (BoolFeature(&p, "reuse", &val, cps)) {
13624 /* Engine can disable reuse, but can't enable it if user said no */
13625 if (!val) cps->reuse = FALSE;
13628 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13629 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13630 if (gameMode == TwoMachinesPlay) {
13631 DisplayTwoMachinesTitle();
13637 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13638 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13639 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13640 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13641 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13642 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13643 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13644 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13645 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13646 if (IntFeature(&p, "done", &val, cps)) {
13647 FeatureDone(cps, val);
13650 /* Added by Tord: */
13651 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13652 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13653 /* End of additions by Tord */
13655 /* [HGM] added features: */
13656 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13657 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13658 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13659 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13660 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13661 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13662 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13663 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13664 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13665 SendToProgram(buf, cps);
13668 if(cps->nrOptions >= MAX_OPTIONS) {
13670 sprintf(buf, "%s engine has too many options\n", cps->which);
13671 DisplayError(buf, 0);
13675 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13676 /* End of additions by HGM */
13678 /* unknown feature: complain and skip */
13680 while (*q && *q != '=') q++;
13681 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13682 SendToProgram(buf, cps);
13688 while (*p && *p != '\"') p++;
13689 if (*p == '\"') p++;
13691 while (*p && *p != ' ') p++;
13699 PeriodicUpdatesEvent(newState)
13702 if (newState == appData.periodicUpdates)
13705 appData.periodicUpdates=newState;
13707 /* Display type changes, so update it now */
13708 // DisplayAnalysis();
13710 /* Get the ball rolling again... */
13712 AnalysisPeriodicEvent(1);
13713 StartAnalysisClock();
13718 PonderNextMoveEvent(newState)
13721 if (newState == appData.ponderNextMove) return;
13722 if (gameMode == EditPosition) EditPositionDone(TRUE);
13724 SendToProgram("hard\n", &first);
13725 if (gameMode == TwoMachinesPlay) {
13726 SendToProgram("hard\n", &second);
13729 SendToProgram("easy\n", &first);
13730 thinkOutput[0] = NULLCHAR;
13731 if (gameMode == TwoMachinesPlay) {
13732 SendToProgram("easy\n", &second);
13735 appData.ponderNextMove = newState;
13739 NewSettingEvent(option, command, value)
13745 if (gameMode == EditPosition) EditPositionDone(TRUE);
13746 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13747 SendToProgram(buf, &first);
13748 if (gameMode == TwoMachinesPlay) {
13749 SendToProgram(buf, &second);
13754 ShowThinkingEvent()
13755 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13757 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13758 int newState = appData.showThinking
13759 // [HGM] thinking: other features now need thinking output as well
13760 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13762 if (oldState == newState) return;
13763 oldState = newState;
13764 if (gameMode == EditPosition) EditPositionDone(TRUE);
13766 SendToProgram("post\n", &first);
13767 if (gameMode == TwoMachinesPlay) {
13768 SendToProgram("post\n", &second);
13771 SendToProgram("nopost\n", &first);
13772 thinkOutput[0] = NULLCHAR;
13773 if (gameMode == TwoMachinesPlay) {
13774 SendToProgram("nopost\n", &second);
13777 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13781 AskQuestionEvent(title, question, replyPrefix, which)
13782 char *title; char *question; char *replyPrefix; char *which;
13784 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13785 if (pr == NoProc) return;
13786 AskQuestion(title, question, replyPrefix, pr);
13790 DisplayMove(moveNumber)
13793 char message[MSG_SIZ];
13795 char cpThinkOutput[MSG_SIZ];
13797 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13799 if (moveNumber == forwardMostMove - 1 ||
13800 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13802 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13804 if (strchr(cpThinkOutput, '\n')) {
13805 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13808 *cpThinkOutput = NULLCHAR;
13811 /* [AS] Hide thinking from human user */
13812 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13813 *cpThinkOutput = NULLCHAR;
13814 if( thinkOutput[0] != NULLCHAR ) {
13817 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13818 cpThinkOutput[i] = '.';
13820 cpThinkOutput[i] = NULLCHAR;
13821 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13825 if (moveNumber == forwardMostMove - 1 &&
13826 gameInfo.resultDetails != NULL) {
13827 if (gameInfo.resultDetails[0] == NULLCHAR) {
13828 sprintf(res, " %s", PGNResult(gameInfo.result));
13830 sprintf(res, " {%s} %s",
13831 gameInfo.resultDetails, PGNResult(gameInfo.result));
13837 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13838 DisplayMessage(res, cpThinkOutput);
13840 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13841 WhiteOnMove(moveNumber) ? " " : ".. ",
13842 parseList[moveNumber], res);
13843 DisplayMessage(message, cpThinkOutput);
13848 DisplayComment(moveNumber, text)
13852 char title[MSG_SIZ];
13853 char buf[8000]; // comment can be long!
13856 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13857 strcpy(title, "Comment");
13859 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13860 WhiteOnMove(moveNumber) ? " " : ".. ",
13861 parseList[moveNumber]);
13863 // [HGM] PV info: display PV info together with (or as) comment
13864 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13865 if(text == NULL) text = "";
13866 score = pvInfoList[moveNumber].score;
13867 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13868 depth, (pvInfoList[moveNumber].time+50)/100, text);
13871 if (text != NULL && (appData.autoDisplayComment || commentUp))
13872 CommentPopUp(title, text);
13875 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13876 * might be busy thinking or pondering. It can be omitted if your
13877 * gnuchess is configured to stop thinking immediately on any user
13878 * input. However, that gnuchess feature depends on the FIONREAD
13879 * ioctl, which does not work properly on some flavors of Unix.
13883 ChessProgramState *cps;
13886 if (!cps->useSigint) return;
13887 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13888 switch (gameMode) {
13889 case MachinePlaysWhite:
13890 case MachinePlaysBlack:
13891 case TwoMachinesPlay:
13892 case IcsPlayingWhite:
13893 case IcsPlayingBlack:
13896 /* Skip if we know it isn't thinking */
13897 if (!cps->maybeThinking) return;
13898 if (appData.debugMode)
13899 fprintf(debugFP, "Interrupting %s\n", cps->which);
13900 InterruptChildProcess(cps->pr);
13901 cps->maybeThinking = FALSE;
13906 #endif /*ATTENTION*/
13912 if (whiteTimeRemaining <= 0) {
13915 if (appData.icsActive) {
13916 if (appData.autoCallFlag &&
13917 gameMode == IcsPlayingBlack && !blackFlag) {
13918 SendToICS(ics_prefix);
13919 SendToICS("flag\n");
13923 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13925 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13926 if (appData.autoCallFlag) {
13927 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13934 if (blackTimeRemaining <= 0) {
13937 if (appData.icsActive) {
13938 if (appData.autoCallFlag &&
13939 gameMode == IcsPlayingWhite && !whiteFlag) {
13940 SendToICS(ics_prefix);
13941 SendToICS("flag\n");
13945 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13947 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13948 if (appData.autoCallFlag) {
13949 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13962 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13963 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13966 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13968 if ( !WhiteOnMove(forwardMostMove) )
13969 /* White made time control */
13970 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13971 /* [HGM] time odds: correct new time quota for time odds! */
13972 / WhitePlayer()->timeOdds;
13974 /* Black made time control */
13975 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13976 / WhitePlayer()->other->timeOdds;
13980 DisplayBothClocks()
13982 int wom = gameMode == EditPosition ?
13983 !blackPlaysFirst : WhiteOnMove(currentMove);
13984 DisplayWhiteClock(whiteTimeRemaining, wom);
13985 DisplayBlackClock(blackTimeRemaining, !wom);
13989 /* Timekeeping seems to be a portability nightmare. I think everyone
13990 has ftime(), but I'm really not sure, so I'm including some ifdefs
13991 to use other calls if you don't. Clocks will be less accurate if
13992 you have neither ftime nor gettimeofday.
13995 /* VS 2008 requires the #include outside of the function */
13996 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13997 #include <sys/timeb.h>
14000 /* Get the current time as a TimeMark */
14005 #if HAVE_GETTIMEOFDAY
14007 struct timeval timeVal;
14008 struct timezone timeZone;
14010 gettimeofday(&timeVal, &timeZone);
14011 tm->sec = (long) timeVal.tv_sec;
14012 tm->ms = (int) (timeVal.tv_usec / 1000L);
14014 #else /*!HAVE_GETTIMEOFDAY*/
14017 // include <sys/timeb.h> / moved to just above start of function
14018 struct timeb timeB;
14021 tm->sec = (long) timeB.time;
14022 tm->ms = (int) timeB.millitm;
14024 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14025 tm->sec = (long) time(NULL);
14031 /* Return the difference in milliseconds between two
14032 time marks. We assume the difference will fit in a long!
14035 SubtractTimeMarks(tm2, tm1)
14036 TimeMark *tm2, *tm1;
14038 return 1000L*(tm2->sec - tm1->sec) +
14039 (long) (tm2->ms - tm1->ms);
14044 * Code to manage the game clocks.
14046 * In tournament play, black starts the clock and then white makes a move.
14047 * We give the human user a slight advantage if he is playing white---the
14048 * clocks don't run until he makes his first move, so it takes zero time.
14049 * Also, we don't account for network lag, so we could get out of sync
14050 * with GNU Chess's clock -- but then, referees are always right.
14053 static TimeMark tickStartTM;
14054 static long intendedTickLength;
14057 NextTickLength(timeRemaining)
14058 long timeRemaining;
14060 long nominalTickLength, nextTickLength;
14062 if (timeRemaining > 0L && timeRemaining <= 10000L)
14063 nominalTickLength = 100L;
14065 nominalTickLength = 1000L;
14066 nextTickLength = timeRemaining % nominalTickLength;
14067 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14069 return nextTickLength;
14072 /* Adjust clock one minute up or down */
14074 AdjustClock(Boolean which, int dir)
14076 if(which) blackTimeRemaining += 60000*dir;
14077 else whiteTimeRemaining += 60000*dir;
14078 DisplayBothClocks();
14081 /* Stop clocks and reset to a fresh time control */
14085 (void) StopClockTimer();
14086 if (appData.icsActive) {
14087 whiteTimeRemaining = blackTimeRemaining = 0;
14088 } else if (searchTime) {
14089 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14090 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14091 } else { /* [HGM] correct new time quote for time odds */
14092 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14093 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14095 if (whiteFlag || blackFlag) {
14097 whiteFlag = blackFlag = FALSE;
14099 DisplayBothClocks();
14102 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14104 /* Decrement running clock by amount of time that has passed */
14108 long timeRemaining;
14109 long lastTickLength, fudge;
14112 if (!appData.clockMode) return;
14113 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14117 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14119 /* Fudge if we woke up a little too soon */
14120 fudge = intendedTickLength - lastTickLength;
14121 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14123 if (WhiteOnMove(forwardMostMove)) {
14124 if(whiteNPS >= 0) lastTickLength = 0;
14125 timeRemaining = whiteTimeRemaining -= lastTickLength;
14126 DisplayWhiteClock(whiteTimeRemaining - fudge,
14127 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14129 if(blackNPS >= 0) lastTickLength = 0;
14130 timeRemaining = blackTimeRemaining -= lastTickLength;
14131 DisplayBlackClock(blackTimeRemaining - fudge,
14132 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14135 if (CheckFlags()) return;
14138 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14139 StartClockTimer(intendedTickLength);
14141 /* if the time remaining has fallen below the alarm threshold, sound the
14142 * alarm. if the alarm has sounded and (due to a takeback or time control
14143 * with increment) the time remaining has increased to a level above the
14144 * threshold, reset the alarm so it can sound again.
14147 if (appData.icsActive && appData.icsAlarm) {
14149 /* make sure we are dealing with the user's clock */
14150 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14151 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14154 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14155 alarmSounded = FALSE;
14156 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14158 alarmSounded = TRUE;
14164 /* A player has just moved, so stop the previously running
14165 clock and (if in clock mode) start the other one.
14166 We redisplay both clocks in case we're in ICS mode, because
14167 ICS gives us an update to both clocks after every move.
14168 Note that this routine is called *after* forwardMostMove
14169 is updated, so the last fractional tick must be subtracted
14170 from the color that is *not* on move now.
14173 SwitchClocks(int newMoveNr)
14175 long lastTickLength;
14177 int flagged = FALSE;
14181 if (StopClockTimer() && appData.clockMode) {
14182 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14183 if (!WhiteOnMove(forwardMostMove)) {
14184 if(blackNPS >= 0) lastTickLength = 0;
14185 blackTimeRemaining -= lastTickLength;
14186 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14187 // if(pvInfoList[forwardMostMove-1].time == -1)
14188 pvInfoList[forwardMostMove-1].time = // use GUI time
14189 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14191 if(whiteNPS >= 0) lastTickLength = 0;
14192 whiteTimeRemaining -= lastTickLength;
14193 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14194 // if(pvInfoList[forwardMostMove-1].time == -1)
14195 pvInfoList[forwardMostMove-1].time =
14196 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14198 flagged = CheckFlags();
14200 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14201 CheckTimeControl();
14203 if (flagged || !appData.clockMode) return;
14205 switch (gameMode) {
14206 case MachinePlaysBlack:
14207 case MachinePlaysWhite:
14208 case BeginningOfGame:
14209 if (pausing) return;
14213 case PlayFromGameFile:
14221 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14222 if(WhiteOnMove(forwardMostMove))
14223 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14224 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14228 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14229 whiteTimeRemaining : blackTimeRemaining);
14230 StartClockTimer(intendedTickLength);
14234 /* Stop both clocks */
14238 long lastTickLength;
14241 if (!StopClockTimer()) return;
14242 if (!appData.clockMode) return;
14246 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14247 if (WhiteOnMove(forwardMostMove)) {
14248 if(whiteNPS >= 0) lastTickLength = 0;
14249 whiteTimeRemaining -= lastTickLength;
14250 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14252 if(blackNPS >= 0) lastTickLength = 0;
14253 blackTimeRemaining -= lastTickLength;
14254 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14259 /* Start clock of player on move. Time may have been reset, so
14260 if clock is already running, stop and restart it. */
14264 (void) StopClockTimer(); /* in case it was running already */
14265 DisplayBothClocks();
14266 if (CheckFlags()) return;
14268 if (!appData.clockMode) return;
14269 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14271 GetTimeMark(&tickStartTM);
14272 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14273 whiteTimeRemaining : blackTimeRemaining);
14275 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14276 whiteNPS = blackNPS = -1;
14277 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14278 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14279 whiteNPS = first.nps;
14280 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14281 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14282 blackNPS = first.nps;
14283 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14284 whiteNPS = second.nps;
14285 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14286 blackNPS = second.nps;
14287 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14289 StartClockTimer(intendedTickLength);
14296 long second, minute, hour, day;
14298 static char buf[32];
14300 if (ms > 0 && ms <= 9900) {
14301 /* convert milliseconds to tenths, rounding up */
14302 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14304 sprintf(buf, " %03.1f ", tenths/10.0);
14308 /* convert milliseconds to seconds, rounding up */
14309 /* use floating point to avoid strangeness of integer division
14310 with negative dividends on many machines */
14311 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14318 day = second / (60 * 60 * 24);
14319 second = second % (60 * 60 * 24);
14320 hour = second / (60 * 60);
14321 second = second % (60 * 60);
14322 minute = second / 60;
14323 second = second % 60;
14326 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14327 sign, day, hour, minute, second);
14329 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14331 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14338 * This is necessary because some C libraries aren't ANSI C compliant yet.
14341 StrStr(string, match)
14342 char *string, *match;
14346 length = strlen(match);
14348 for (i = strlen(string) - length; i >= 0; i--, string++)
14349 if (!strncmp(match, string, length))
14356 StrCaseStr(string, match)
14357 char *string, *match;
14361 length = strlen(match);
14363 for (i = strlen(string) - length; i >= 0; i--, string++) {
14364 for (j = 0; j < length; j++) {
14365 if (ToLower(match[j]) != ToLower(string[j]))
14368 if (j == length) return string;
14382 c1 = ToLower(*s1++);
14383 c2 = ToLower(*s2++);
14384 if (c1 > c2) return 1;
14385 if (c1 < c2) return -1;
14386 if (c1 == NULLCHAR) return 0;
14395 return isupper(c) ? tolower(c) : c;
14403 return islower(c) ? toupper(c) : c;
14405 #endif /* !_amigados */
14413 if ((ret = (char *) malloc(strlen(s) + 1))) {
14420 StrSavePtr(s, savePtr)
14421 char *s, **savePtr;
14426 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14427 strcpy(*savePtr, s);
14439 clock = time((time_t *)NULL);
14440 tm = localtime(&clock);
14441 sprintf(buf, "%04d.%02d.%02d",
14442 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14443 return StrSave(buf);
14448 PositionToFEN(move, overrideCastling)
14450 char *overrideCastling;
14452 int i, j, fromX, fromY, toX, toY;
14459 whiteToPlay = (gameMode == EditPosition) ?
14460 !blackPlaysFirst : (move % 2 == 0);
14463 /* Piece placement data */
14464 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14466 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14467 if (boards[move][i][j] == EmptySquare) {
14469 } else { ChessSquare piece = boards[move][i][j];
14470 if (emptycount > 0) {
14471 if(emptycount<10) /* [HGM] can be >= 10 */
14472 *p++ = '0' + emptycount;
14473 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14476 if(PieceToChar(piece) == '+') {
14477 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14479 piece = (ChessSquare)(DEMOTED piece);
14481 *p++ = PieceToChar(piece);
14483 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14484 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14489 if (emptycount > 0) {
14490 if(emptycount<10) /* [HGM] can be >= 10 */
14491 *p++ = '0' + emptycount;
14492 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14499 /* [HGM] print Crazyhouse or Shogi holdings */
14500 if( gameInfo.holdingsWidth ) {
14501 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14503 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14504 piece = boards[move][i][BOARD_WIDTH-1];
14505 if( piece != EmptySquare )
14506 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14507 *p++ = PieceToChar(piece);
14509 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14510 piece = boards[move][BOARD_HEIGHT-i-1][0];
14511 if( piece != EmptySquare )
14512 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14513 *p++ = PieceToChar(piece);
14516 if( q == p ) *p++ = '-';
14522 *p++ = whiteToPlay ? 'w' : 'b';
14525 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14526 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14528 if(nrCastlingRights) {
14530 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14531 /* [HGM] write directly from rights */
14532 if(boards[move][CASTLING][2] != NoRights &&
14533 boards[move][CASTLING][0] != NoRights )
14534 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14535 if(boards[move][CASTLING][2] != NoRights &&
14536 boards[move][CASTLING][1] != NoRights )
14537 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14538 if(boards[move][CASTLING][5] != NoRights &&
14539 boards[move][CASTLING][3] != NoRights )
14540 *p++ = boards[move][CASTLING][3] + AAA;
14541 if(boards[move][CASTLING][5] != NoRights &&
14542 boards[move][CASTLING][4] != NoRights )
14543 *p++ = boards[move][CASTLING][4] + AAA;
14546 /* [HGM] write true castling rights */
14547 if( nrCastlingRights == 6 ) {
14548 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14549 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14550 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14551 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14552 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14553 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14554 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14555 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14558 if (q == p) *p++ = '-'; /* No castling rights */
14562 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14563 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14564 /* En passant target square */
14565 if (move > backwardMostMove) {
14566 fromX = moveList[move - 1][0] - AAA;
14567 fromY = moveList[move - 1][1] - ONE;
14568 toX = moveList[move - 1][2] - AAA;
14569 toY = moveList[move - 1][3] - ONE;
14570 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14571 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14572 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14574 /* 2-square pawn move just happened */
14576 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14580 } else if(move == backwardMostMove) {
14581 // [HGM] perhaps we should always do it like this, and forget the above?
14582 if((signed char)boards[move][EP_STATUS] >= 0) {
14583 *p++ = boards[move][EP_STATUS] + AAA;
14584 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14595 /* [HGM] find reversible plies */
14596 { int i = 0, j=move;
14598 if (appData.debugMode) { int k;
14599 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14600 for(k=backwardMostMove; k<=forwardMostMove; k++)
14601 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14605 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14606 if( j == backwardMostMove ) i += initialRulePlies;
14607 sprintf(p, "%d ", i);
14608 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14610 /* Fullmove number */
14611 sprintf(p, "%d", (move / 2) + 1);
14613 return StrSave(buf);
14617 ParseFEN(board, blackPlaysFirst, fen)
14619 int *blackPlaysFirst;
14629 /* [HGM] by default clear Crazyhouse holdings, if present */
14630 if(gameInfo.holdingsWidth) {
14631 for(i=0; i<BOARD_HEIGHT; i++) {
14632 board[i][0] = EmptySquare; /* black holdings */
14633 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14634 board[i][1] = (ChessSquare) 0; /* black counts */
14635 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14639 /* Piece placement data */
14640 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14643 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14644 if (*p == '/') p++;
14645 emptycount = gameInfo.boardWidth - j;
14646 while (emptycount--)
14647 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14649 #if(BOARD_FILES >= 10)
14650 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14651 p++; emptycount=10;
14652 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14653 while (emptycount--)
14654 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14656 } else if (isdigit(*p)) {
14657 emptycount = *p++ - '0';
14658 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14659 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14660 while (emptycount--)
14661 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14662 } else if (*p == '+' || isalpha(*p)) {
14663 if (j >= gameInfo.boardWidth) return FALSE;
14665 piece = CharToPiece(*++p);
14666 if(piece == EmptySquare) return FALSE; /* unknown piece */
14667 piece = (ChessSquare) (PROMOTED piece ); p++;
14668 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14669 } else piece = CharToPiece(*p++);
14671 if(piece==EmptySquare) return FALSE; /* unknown piece */
14672 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14673 piece = (ChessSquare) (PROMOTED piece);
14674 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14677 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14683 while (*p == '/' || *p == ' ') p++;
14685 /* [HGM] look for Crazyhouse holdings here */
14686 while(*p==' ') p++;
14687 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14689 if(*p == '-' ) *p++; /* empty holdings */ else {
14690 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14691 /* if we would allow FEN reading to set board size, we would */
14692 /* have to add holdings and shift the board read so far here */
14693 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14695 if((int) piece >= (int) BlackPawn ) {
14696 i = (int)piece - (int)BlackPawn;
14697 i = PieceToNumber((ChessSquare)i);
14698 if( i >= gameInfo.holdingsSize ) return FALSE;
14699 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14700 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14702 i = (int)piece - (int)WhitePawn;
14703 i = PieceToNumber((ChessSquare)i);
14704 if( i >= gameInfo.holdingsSize ) return FALSE;
14705 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14706 board[i][BOARD_WIDTH-2]++; /* black holdings */
14710 if(*p == ']') *p++;
14713 while(*p == ' ') p++;
14718 *blackPlaysFirst = FALSE;
14721 *blackPlaysFirst = TRUE;
14727 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14728 /* return the extra info in global variiables */
14730 /* set defaults in case FEN is incomplete */
14731 board[EP_STATUS] = EP_UNKNOWN;
14732 for(i=0; i<nrCastlingRights; i++ ) {
14733 board[CASTLING][i] =
14734 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14735 } /* assume possible unless obviously impossible */
14736 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14737 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14738 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14739 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14740 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14741 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14742 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14743 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14746 while(*p==' ') p++;
14747 if(nrCastlingRights) {
14748 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14749 /* castling indicator present, so default becomes no castlings */
14750 for(i=0; i<nrCastlingRights; i++ ) {
14751 board[CASTLING][i] = NoRights;
14754 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14755 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14756 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14757 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14758 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14760 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14761 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14762 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14764 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14765 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14766 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14767 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14768 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14769 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14772 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14773 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14774 board[CASTLING][2] = whiteKingFile;
14777 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14778 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14779 board[CASTLING][2] = whiteKingFile;
14782 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14783 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14784 board[CASTLING][5] = blackKingFile;
14787 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14788 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14789 board[CASTLING][5] = blackKingFile;
14792 default: /* FRC castlings */
14793 if(c >= 'a') { /* black rights */
14794 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14795 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14796 if(i == BOARD_RGHT) break;
14797 board[CASTLING][5] = i;
14799 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14800 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14802 board[CASTLING][3] = c;
14804 board[CASTLING][4] = c;
14805 } else { /* white rights */
14806 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14807 if(board[0][i] == WhiteKing) break;
14808 if(i == BOARD_RGHT) break;
14809 board[CASTLING][2] = i;
14810 c -= AAA - 'a' + 'A';
14811 if(board[0][c] >= WhiteKing) break;
14813 board[CASTLING][0] = c;
14815 board[CASTLING][1] = c;
14819 for(i=0; i<nrCastlingRights; i++)
14820 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14821 if (appData.debugMode) {
14822 fprintf(debugFP, "FEN castling rights:");
14823 for(i=0; i<nrCastlingRights; i++)
14824 fprintf(debugFP, " %d", board[CASTLING][i]);
14825 fprintf(debugFP, "\n");
14828 while(*p==' ') p++;
14831 /* read e.p. field in games that know e.p. capture */
14832 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14833 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14835 p++; board[EP_STATUS] = EP_NONE;
14837 char c = *p++ - AAA;
14839 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14840 if(*p >= '0' && *p <='9') *p++;
14841 board[EP_STATUS] = c;
14846 if(sscanf(p, "%d", &i) == 1) {
14847 FENrulePlies = i; /* 50-move ply counter */
14848 /* (The move number is still ignored) */
14855 EditPositionPasteFEN(char *fen)
14858 Board initial_position;
14860 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14861 DisplayError(_("Bad FEN position in clipboard"), 0);
14864 int savedBlackPlaysFirst = blackPlaysFirst;
14865 EditPositionEvent();
14866 blackPlaysFirst = savedBlackPlaysFirst;
14867 CopyBoard(boards[0], initial_position);
14868 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14869 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14870 DisplayBothClocks();
14871 DrawPosition(FALSE, boards[currentMove]);
14876 static char cseq[12] = "\\ ";
14878 Boolean set_cont_sequence(char *new_seq)
14883 // handle bad attempts to set the sequence
14885 return 0; // acceptable error - no debug
14887 len = strlen(new_seq);
14888 ret = (len > 0) && (len < sizeof(cseq));
14890 strcpy(cseq, new_seq);
14891 else if (appData.debugMode)
14892 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14897 reformat a source message so words don't cross the width boundary. internal
14898 newlines are not removed. returns the wrapped size (no null character unless
14899 included in source message). If dest is NULL, only calculate the size required
14900 for the dest buffer. lp argument indicats line position upon entry, and it's
14901 passed back upon exit.
14903 int wrap(char *dest, char *src, int count, int width, int *lp)
14905 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14907 cseq_len = strlen(cseq);
14908 old_line = line = *lp;
14909 ansi = len = clen = 0;
14911 for (i=0; i < count; i++)
14913 if (src[i] == '\033')
14916 // if we hit the width, back up
14917 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14919 // store i & len in case the word is too long
14920 old_i = i, old_len = len;
14922 // find the end of the last word
14923 while (i && src[i] != ' ' && src[i] != '\n')
14929 // word too long? restore i & len before splitting it
14930 if ((old_i-i+clen) >= width)
14937 if (i && src[i-1] == ' ')
14940 if (src[i] != ' ' && src[i] != '\n')
14947 // now append the newline and continuation sequence
14952 strncpy(dest+len, cseq, cseq_len);
14960 dest[len] = src[i];
14964 if (src[i] == '\n')
14969 if (dest && appData.debugMode)
14971 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14972 count, width, line, len, *lp);
14973 show_bytes(debugFP, src, count);
14974 fprintf(debugFP, "\ndest: ");
14975 show_bytes(debugFP, dest, len);
14976 fprintf(debugFP, "\n");
14978 *lp = dest ? line : old_line;
14983 // [HGM] vari: routines for shelving variations
14986 PushTail(int firstMove, int lastMove)
14988 int i, j, nrMoves = lastMove - firstMove;
14990 if(appData.icsActive) { // only in local mode
14991 forwardMostMove = currentMove; // mimic old ICS behavior
14994 if(storedGames >= MAX_VARIATIONS-1) return;
14996 // push current tail of game on stack
14997 savedResult[storedGames] = gameInfo.result;
14998 savedDetails[storedGames] = gameInfo.resultDetails;
14999 gameInfo.resultDetails = NULL;
15000 savedFirst[storedGames] = firstMove;
15001 savedLast [storedGames] = lastMove;
15002 savedFramePtr[storedGames] = framePtr;
15003 framePtr -= nrMoves; // reserve space for the boards
15004 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15005 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15006 for(j=0; j<MOVE_LEN; j++)
15007 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15008 for(j=0; j<2*MOVE_LEN; j++)
15009 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15010 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15011 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15012 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15013 pvInfoList[firstMove+i-1].depth = 0;
15014 commentList[framePtr+i] = commentList[firstMove+i];
15015 commentList[firstMove+i] = NULL;
15019 forwardMostMove = currentMove; // truncte game so we can start variation
15020 if(storedGames == 1) GreyRevert(FALSE);
15024 PopTail(Boolean annotate)
15027 char buf[8000], moveBuf[20];
15029 if(appData.icsActive) return FALSE; // only in local mode
15030 if(!storedGames) return FALSE; // sanity
15033 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15034 nrMoves = savedLast[storedGames] - currentMove;
15037 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15038 else strcpy(buf, "(");
15039 for(i=currentMove; i<forwardMostMove; i++) {
15041 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15042 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15043 strcat(buf, moveBuf);
15044 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15048 for(i=1; i<nrMoves; i++) { // copy last variation back
15049 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15050 for(j=0; j<MOVE_LEN; j++)
15051 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15052 for(j=0; j<2*MOVE_LEN; j++)
15053 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15054 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15055 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15056 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15057 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15058 commentList[currentMove+i] = commentList[framePtr+i];
15059 commentList[framePtr+i] = NULL;
15061 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15062 framePtr = savedFramePtr[storedGames];
15063 gameInfo.result = savedResult[storedGames];
15064 if(gameInfo.resultDetails != NULL) {
15065 free(gameInfo.resultDetails);
15067 gameInfo.resultDetails = savedDetails[storedGames];
15068 forwardMostMove = currentMove + nrMoves;
15069 if(storedGames == 0) GreyRevert(TRUE);
15075 { // remove all shelved variations
15077 for(i=0; i<storedGames; i++) {
15078 if(savedDetails[i])
15079 free(savedDetails[i]);
15080 savedDetails[i] = NULL;
15082 for(i=framePtr; i<MAX_MOVES; i++) {
15083 if(commentList[i]) free(commentList[i]);
15084 commentList[i] = NULL;
15086 framePtr = MAX_MOVES-1;